990147171

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 1623283200

約数和(自身を除く): 633136029

約数列:

[1, 3, 13, 19, 23, 39, 41, 57, 69, 109, 123, 169, 247, 299, 327, 437, 507, 533, 741, 779, 897, 943, 1311, 1417, 1599, 2071, 2337, 2507, 2829, 3211, 3887, 4251, 4469, 5681, 6213, 6929, 7521, 9633, 10127, 11661, 12259, 13407, 17043, 17917, 18421, 20787, 26923, 30381, 32591, 36777, 47633, 53751, 55263, 58097, 73853, 80769, 84911, 97773, 102787, 131651, 142899, 159367, 174291, 221559, 232921, 254733, 308361, 349999, 394953, 423683, 478101, 619229, 698763, 755261, 1049997, 1103843, 1271049, 1336231, 1857687, 1952953, 2265783, 3027973, 3311529, 4008693, 5858859, 8049977, 9083919, 14349959, 17371003, 24149931, 25388389, 43049877, 52113009, 76165167, 330049057, 990147171]

約数ペア:

[(1, 990147171), (3, 330049057), (13, 76165167), (19, 52113009), (23, 43049877), (39, 25388389), (41, 24149931), (57, 17371003), (69, 14349959), (109, 9083919), (123, 8049977), (169, 5858859), (247, 4008693), (299, 3311529), (327, 3027973), (437, 2265783), (507, 1952953), (533, 1857687), (741, 1336231), (779, 1271049), (897, 1103843), (943, 1049997), (1311, 755261), (1417, 698763), (1599, 619229), (2071, 478101), (2337, 423683), (2507, 394953), (2829, 349999), (3211, 308361), (3887, 254733), (4251, 232921), (4469, 221559), (5681, 174291), (6213, 159367), (6929, 142899), (7521, 131651), (9633, 102787), (10127, 97773), (11661, 84911), (12259, 80769), (13407, 73853), (17043, 58097), (17917, 55263), (18421, 53751), (20787, 47633), (26923, 36777), (30381, 32591)]