28053675

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 30275925

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 115, 117, 135, 139, 195, 207, 225, 299, 325, 345, 351, 417, 575, 585, 621, 675, 695, 897, 975, 1035, 1251, 1495, 1725, 1755, 1807, 2085, 2691, 2925, 3105, 3197, 3475, 3753, 4485, 5175, 5421, 6255, 7475, 8073, 8775, 9035, 9591, 10425, 13455, 15525, 15985, 16263, 18765, 22425, 27105, 28773, 31275, 40365, 41561, 45175, 47955, 48789, 67275, 79925, 81315, 86319, 93825, 124683, 135525, 143865, 201825, 207805, 239775, 243945, 374049, 406575, 431595, 623415, 719325, 1039025, 1122147, 1219725, 1870245, 2157975, 3117075, 5610735, 9351225, 28053675]

約数ペア:

[(1, 28053675), (3, 9351225), (5, 5610735), (9, 3117075), (13, 2157975), (15, 1870245), (23, 1219725), (25, 1122147), (27, 1039025), (39, 719325), (45, 623415), (65, 431595), (69, 406575), (75, 374049), (115, 243945), (117, 239775), (135, 207805), (139, 201825), (195, 143865), (207, 135525), (225, 124683), (299, 93825), (325, 86319), (345, 81315), (351, 79925), (417, 67275), (575, 48789), (585, 47955), (621, 45175), (675, 41561), (695, 40365), (897, 31275), (975, 28773), (1035, 27105), (1251, 22425), (1495, 18765), (1725, 16263), (1755, 15985), (1807, 15525), (2085, 13455), (2691, 10425), (2925, 9591), (3105, 9035), (3197, 8775), (3475, 8073), (3753, 7475), (4485, 6255), (5175, 5421)]