7172487

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 12946752

約数和(自身を除く): 5774265

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 181, 259, 333, 357, 543, 629, 777, 1071, 1267, 1629, 1887, 2331, 3077, 3801, 4403, 5661, 6697, 9231, 11403, 13209, 20091, 21539, 27693, 39627, 46879, 60273, 64617, 113849, 140637, 193851, 341547, 421911, 796943, 1024641, 2390829, 7172487]

約数ペア:

[(1, 7172487), (3, 2390829), (7, 1024641), (9, 796943), (17, 421911), (21, 341547), (37, 193851), (51, 140637), (63, 113849), (111, 64617), (119, 60273), (153, 46879), (181, 39627), (259, 27693), (333, 21539), (357, 20091), (543, 13209), (629, 11403), (777, 9231), (1071, 6697), (1267, 5661), (1629, 4403), (1887, 3801), (2331, 3077)]