81262797

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 140943360

約数和(自身を除く): 59680563

約数列:

[1, 3, 7, 11, 21, 33, 61, 73, 77, 79, 183, 219, 231, 237, 427, 511, 553, 671, 803, 869, 1281, 1533, 1659, 2013, 2409, 2607, 4453, 4697, 4819, 5621, 5767, 6083, 13359, 14091, 14457, 16863, 17301, 18249, 31171, 33733, 40369, 48983, 53009, 63437, 93513, 101199, 121107, 146949, 159027, 190311, 342881, 351787, 371063, 444059, 1028643, 1055361, 1113189, 1332177, 2462509, 3869657, 7387527, 11608971, 27087599, 81262797]

約数ペア:

[(1, 81262797), (3, 27087599), (7, 11608971), (11, 7387527), (21, 3869657), (33, 2462509), (61, 1332177), (73, 1113189), (77, 1055361), (79, 1028643), (183, 444059), (219, 371063), (231, 351787), (237, 342881), (427, 190311), (511, 159027), (553, 146949), (671, 121107), (803, 101199), (869, 93513), (1281, 63437), (1533, 53009), (1659, 48983), (2013, 40369), (2409, 33733), (2607, 31171), (4453, 18249), (4697, 17301), (4819, 16863), (5621, 14457), (5767, 14091), (6083, 13359)]