15520791

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 25719552

約数和(自身を除く): 10198761

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 169, 253, 299, 363, 429, 507, 759, 897, 1331, 1573, 1859, 2783, 3289, 3887, 3993, 4719, 5577, 8349, 9867, 11661, 17303, 20449, 30613, 36179, 42757, 51909, 61347, 91839, 108537, 128271, 224939, 397969, 470327, 674817, 1193907, 1410981, 5173597, 15520791]

約数ペア:

[(1, 15520791), (3, 5173597), (11, 1410981), (13, 1193907), (23, 674817), (33, 470327), (39, 397969), (69, 224939), (121, 128271), (143, 108537), (169, 91839), (253, 61347), (299, 51909), (363, 42757), (429, 36179), (507, 30613), (759, 20449), (897, 17303), (1331, 11661), (1573, 9867), (1859, 8349), (2783, 5577), (3289, 4719), (3887, 3993)]