138777615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 263599440

約数和(自身を除く): 124821825

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 193, 261, 285, 435, 551, 579, 841, 855, 965, 1305, 1653, 1737, 2523, 2755, 2895, 3667, 4205, 4959, 5597, 7569, 8265, 8685, 11001, 12615, 15979, 16791, 18335, 24795, 27985, 33003, 37845, 47937, 50373, 55005, 79895, 83955, 106343, 143811, 162313, 165015, 239685, 251865, 319029, 486939, 531715, 719055, 811565, 957087, 1460817, 1595145, 2434695, 3083947, 4785435, 7304085, 9251841, 15419735, 27755523, 46259205, 138777615]

約数ペア:

[(1, 138777615), (3, 46259205), (5, 27755523), (9, 15419735), (15, 9251841), (19, 7304085), (29, 4785435), (45, 3083947), (57, 2434695), (87, 1595145), (95, 1460817), (145, 957087), (171, 811565), (193, 719055), (261, 531715), (285, 486939), (435, 319029), (551, 251865), (579, 239685), (841, 165015), (855, 162313), (965, 143811), (1305, 106343), (1653, 83955), (1737, 79895), (2523, 55005), (2755, 50373), (2895, 47937), (3667, 37845), (4205, 33003), (4959, 27985), (5597, 24795), (7569, 18335), (8265, 16791), (8685, 15979), (11001, 12615)]