71771895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 135757440

約数和(自身を除く): 63985545

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 585, 711, 1027, 1185, 1553, 3081, 3555, 4659, 5135, 7765, 9243, 13977, 15405, 20189, 23295, 46215, 60567, 69885, 100945, 122687, 181701, 302835, 368061, 613435, 908505, 1104183, 1594931, 1840305, 4784793, 5520915, 7974655, 14354379, 23923965, 71771895]

約数ペア:

[(1, 71771895), (3, 23923965), (5, 14354379), (9, 7974655), (13, 5520915), (15, 4784793), (39, 1840305), (45, 1594931), (65, 1104183), (79, 908505), (117, 613435), (195, 368061), (237, 302835), (395, 181701), (585, 122687), (711, 100945), (1027, 69885), (1185, 60567), (1553, 46215), (3081, 23295), (3555, 20189), (4659, 15405), (5135, 13977), (7765, 9243)]