216590415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{13457}}^1$

素因数の和:13531

約数の個数: 32

約数和(自身を含む): 368210880

約数和(自身を除く): 151620465

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 3219, 5365, 13457, 16095, 40371, 67285, 201855, 390253, 497909, 1170759, 1493727, 1951265, 2489545, 5853795, 7468635, 14439361, 43318083, 72196805, 216590415]

約数ペア:

[(1, 216590415), (3, 72196805), (5, 43318083), (15, 14439361), (29, 7468635), (37, 5853795), (87, 2489545), (111, 1951265), (145, 1493727), (185, 1170759), (435, 497909), (555, 390253), (1073, 201855), (3219, 67285), (5365, 40371), (13457, 16095)]