831285

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 1867320

約数和(自身を除く): 1036035

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 29, 35, 39, 45, 49, 63, 65, 87, 91, 105, 117, 145, 147, 195, 203, 245, 261, 273, 315, 377, 435, 441, 455, 585, 609, 637, 735, 819, 1015, 1131, 1305, 1365, 1421, 1827, 1885, 1911, 2205, 2639, 3045, 3185, 3393, 4095, 4263, 5655, 5733, 7105, 7917, 9135, 9555, 12789, 13195, 16965, 18473, 21315, 23751, 28665, 39585, 55419, 63945, 92365, 118755, 166257, 277095, 831285]

約数ペア:

[(1, 831285), (3, 277095), (5, 166257), (7, 118755), (9, 92365), (13, 63945), (15, 55419), (21, 39585), (29, 28665), (35, 23751), (39, 21315), (45, 18473), (49, 16965), (63, 13195), (65, 12789), (87, 9555), (91, 9135), (105, 7917), (117, 7105), (145, 5733), (147, 5655), (195, 4263), (203, 4095), (245, 3393), (261, 3185), (273, 3045), (315, 2639), (377, 2205), (435, 1911), (441, 1885), (455, 1827), (585, 1421), (609, 1365), (637, 1305), (735, 1131), (819, 1015)]