281465145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:436

約数の個数: 128

約数和(自身を含む): 593510400

約数和(自身を除く): 312045255

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 27, 39, 45, 57, 65, 69, 95, 115, 117, 135, 171, 195, 207, 247, 285, 299, 345, 351, 367, 437, 513, 585, 621, 741, 855, 897, 1035, 1101, 1235, 1311, 1495, 1755, 1835, 2185, 2223, 2565, 2691, 3105, 3303, 3705, 3933, 4485, 4771, 5505, 5681, 6555, 6669, 6973, 8073, 8441, 9909, 11115, 11799, 13455, 14313, 16515, 17043, 19665, 20919, 23855, 25323, 28405, 33345, 34865, 40365, 42205, 42939, 49545, 51129, 58995, 62757, 71565, 75969, 85215, 90649, 104595, 109733, 126615, 128817, 153387, 160379, 188271, 214695, 227907, 255645, 271947, 313785, 329199, 379845, 453245, 481137, 548665, 644085, 766935, 801895, 815841, 941355, 987597, 1139535, 1359735, 1443411, 1645995, 2084927, 2405685, 2447523, 2962791, 4079205, 4330233, 4937985, 6254781, 7217055, 10424635, 12237615, 14813955, 18764343, 21651165, 31273905, 56293029, 93821715, 281465145]

約数ペア:

[(1, 281465145), (3, 93821715), (5, 56293029), (9, 31273905), (13, 21651165), (15, 18764343), (19, 14813955), (23, 12237615), (27, 10424635), (39, 7217055), (45, 6254781), (57, 4937985), (65, 4330233), (69, 4079205), (95, 2962791), (115, 2447523), (117, 2405685), (135, 2084927), (171, 1645995), (195, 1443411), (207, 1359735), (247, 1139535), (285, 987597), (299, 941355), (345, 815841), (351, 801895), (367, 766935), (437, 644085), (513, 548665), (585, 481137), (621, 453245), (741, 379845), (855, 329199), (897, 313785), (1035, 271947), (1101, 255645), (1235, 227907), (1311, 214695), (1495, 188271), (1755, 160379), (1835, 153387), (2185, 128817), (2223, 126615), (2565, 109733), (2691, 104595), (3105, 90649), (3303, 85215), (3705, 75969), (3933, 71565), (4485, 62757), (4771, 58995), (5505, 51129), (5681, 49545), (6555, 42939), (6669, 42205), (6973, 40365), (8073, 34865), (8441, 33345), (9909, 28405), (11115, 25323), (11799, 23855), (13455, 20919), (14313, 19665), (16515, 17043)]