17990895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 32044032

約数和(自身を除く): 14053137

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 151, 169, 195, 235, 453, 507, 611, 705, 755, 845, 1833, 1963, 2265, 2535, 3055, 5889, 7097, 7943, 9165, 9815, 21291, 23829, 25519, 29445, 35485, 39715, 76557, 92261, 106455, 119145, 127595, 276783, 382785, 461305, 1199393, 1383915, 3598179, 5996965, 17990895]

約数ペア:

[(1, 17990895), (3, 5996965), (5, 3598179), (13, 1383915), (15, 1199393), (39, 461305), (47, 382785), (65, 276783), (141, 127595), (151, 119145), (169, 106455), (195, 92261), (235, 76557), (453, 39715), (507, 35485), (611, 29445), (705, 25519), (755, 23829), (845, 21291), (1833, 9815), (1963, 9165), (2265, 7943), (2535, 7097), (3055, 5889)]