7521345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 15073344

約数和(自身を除く): 7551999

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 43, 45, 65, 69, 115, 117, 129, 169, 195, 207, 215, 299, 345, 387, 507, 559, 585, 645, 845, 897, 989, 1035, 1495, 1521, 1677, 1935, 2535, 2691, 2795, 2967, 3887, 4485, 4945, 5031, 7267, 7605, 8385, 8901, 11661, 12857, 13455, 14835, 19435, 21801, 25155, 34983, 36335, 38571, 44505, 58305, 64285, 65403, 109005, 115713, 167141, 174915, 192855, 327015, 501423, 578565, 835705, 1504269, 2507115, 7521345]

約数ペア:

[(1, 7521345), (3, 2507115), (5, 1504269), (9, 835705), (13, 578565), (15, 501423), (23, 327015), (39, 192855), (43, 174915), (45, 167141), (65, 115713), (69, 109005), (115, 65403), (117, 64285), (129, 58305), (169, 44505), (195, 38571), (207, 36335), (215, 34983), (299, 25155), (345, 21801), (387, 19435), (507, 14835), (559, 13455), (585, 12857), (645, 11661), (845, 8901), (897, 8385), (989, 7605), (1035, 7267), (1495, 5031), (1521, 4945), (1677, 4485), (1935, 3887), (2535, 2967), (2691, 2795)]