17587215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 31917600

約数和(自身を除く): 14330385

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 149, 183, 215, 305, 387, 447, 549, 645, 745, 915, 1341, 1935, 2235, 2623, 2745, 6407, 6705, 7869, 9089, 13115, 19221, 23607, 27267, 32035, 39345, 45445, 57663, 81801, 96105, 118035, 136335, 288315, 390827, 409005, 1172481, 1954135, 3517443, 5862405, 17587215]

約数ペア:

[(1, 17587215), (3, 5862405), (5, 3517443), (9, 1954135), (15, 1172481), (43, 409005), (45, 390827), (61, 288315), (129, 136335), (149, 118035), (183, 96105), (215, 81801), (305, 57663), (387, 45445), (447, 39345), (549, 32035), (645, 27267), (745, 23607), (915, 19221), (1341, 13115), (1935, 9089), (2235, 7869), (2623, 6705), (2745, 6407)]