31420215

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 56766528

約数和(自身を除く): 25346313

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 113, 167, 185, 333, 339, 501, 555, 565, 835, 1017, 1503, 1665, 1695, 2505, 4181, 5085, 6179, 7515, 12543, 18537, 18871, 20905, 30895, 37629, 55611, 56613, 62715, 92685, 94355, 169839, 188145, 278055, 283065, 698227, 849195, 2094681, 3491135, 6284043, 10473405, 31420215]

約数ペア:

[(1, 31420215), (3, 10473405), (5, 6284043), (9, 3491135), (15, 2094681), (37, 849195), (45, 698227), (111, 283065), (113, 278055), (167, 188145), (185, 169839), (333, 94355), (339, 92685), (501, 62715), (555, 56613), (565, 55611), (835, 37629), (1017, 30895), (1503, 20905), (1665, 18871), (1695, 18537), (2505, 12543), (4181, 7515), (5085, 6179)]