217860435

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1061}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 424451664

約数和(自身を除く): 206591229

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 195, 243, 351, 405, 507, 585, 845, 1053, 1061, 1215, 1521, 1755, 2535, 3159, 3183, 4563, 5265, 5305, 7605, 9549, 13689, 13793, 15795, 15915, 22815, 28647, 41067, 41379, 47745, 68445, 68965, 85941, 124137, 143235, 179309, 205335, 206895, 257823, 372411, 429705, 537927, 620685, 896545, 1117233, 1289115, 1613781, 1862055, 2689635, 3351699, 4841343, 5586165, 8068905, 14524029, 16758495, 24206715, 43572087, 72620145, 217860435]

約数ペア:

[(1, 217860435), (3, 72620145), (5, 43572087), (9, 24206715), (13, 16758495), (15, 14524029), (27, 8068905), (39, 5586165), (45, 4841343), (65, 3351699), (81, 2689635), (117, 1862055), (135, 1613781), (169, 1289115), (195, 1117233), (243, 896545), (351, 620685), (405, 537927), (507, 429705), (585, 372411), (845, 257823), (1053, 206895), (1061, 205335), (1215, 179309), (1521, 143235), (1755, 124137), (2535, 85941), (3159, 68965), (3183, 68445), (4563, 47745), (5265, 41379), (5305, 41067), (7605, 28647), (9549, 22815), (13689, 15915), (13793, 15795)]