15728315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 21233664

約数和(自身を除く): 5505349

約数列:

[1, 5, 17, 31, 47, 85, 127, 155, 235, 527, 635, 799, 1457, 2159, 2635, 3937, 3995, 5969, 7285, 10795, 19685, 24769, 29845, 66929, 101473, 123845, 185039, 334645, 507365, 925195, 3145663, 15728315]

約数ペア:

[(1, 15728315), (5, 3145663), (17, 925195), (31, 507365), (47, 334645), (85, 185039), (127, 123845), (155, 101473), (235, 66929), (527, 29845), (635, 24769), (799, 19685), (1457, 10795), (2159, 7285), (2635, 5969), (3937, 3995)]