81769635

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 73750365

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 71, 95, 135, 171, 213, 285, 355, 449, 513, 639, 855, 1065, 1347, 1349, 1917, 2245, 2565, 3195, 4041, 4047, 6735, 6745, 8531, 9585, 12123, 12141, 20205, 20235, 25593, 31879, 36423, 42655, 60615, 60705, 76779, 95637, 127965, 159395, 182115, 230337, 286911, 383895, 478185, 605701, 860733, 1151685, 1434555, 1817103, 3028505, 4303665, 5451309, 9085515, 16353927, 27256545, 81769635]

約数ペア:

[(1, 81769635), (3, 27256545), (5, 16353927), (9, 9085515), (15, 5451309), (19, 4303665), (27, 3028505), (45, 1817103), (57, 1434555), (71, 1151685), (95, 860733), (135, 605701), (171, 478185), (213, 383895), (285, 286911), (355, 230337), (449, 182115), (513, 159395), (639, 127965), (855, 95637), (1065, 76779), (1347, 60705), (1349, 60615), (1917, 42655), (2245, 36423), (2565, 31879), (3195, 25593), (4041, 20235), (4047, 20205), (6735, 12141), (6745, 12123), (8531, 9585)]