2171715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 4494336

約数和(自身を除く): 2322621

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 43, 65, 91, 105, 111, 129, 185, 195, 215, 259, 273, 301, 455, 481, 555, 559, 645, 777, 903, 1295, 1365, 1443, 1505, 1591, 1677, 2405, 2795, 3367, 3885, 3913, 4515, 4773, 7215, 7955, 8385, 10101, 11137, 11739, 16835, 19565, 20683, 23865, 33411, 50505, 55685, 58695, 62049, 103415, 144781, 167055, 310245, 434343, 723905, 2171715]

約数ペア:

[(1, 2171715), (3, 723905), (5, 434343), (7, 310245), (13, 167055), (15, 144781), (21, 103415), (35, 62049), (37, 58695), (39, 55685), (43, 50505), (65, 33411), (91, 23865), (105, 20683), (111, 19565), (129, 16835), (185, 11739), (195, 11137), (215, 10101), (259, 8385), (273, 7955), (301, 7215), (455, 4773), (481, 4515), (555, 3913), (559, 3885), (645, 3367), (777, 2795), (903, 2405), (1295, 1677), (1365, 1591), (1443, 1505)]