221391855

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{104677}}^1$

素因数の和:104735

約数の個数: 24

約数和(自身を含む): 391914432

約数和(自身を除く): 170522577

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 104677, 314031, 523385, 942093, 1570155, 4710465, 4919819, 14759457, 24599095, 44278371, 73797285, 221391855]

約数ペア:

[(1, 221391855), (3, 73797285), (5, 44278371), (9, 24599095), (15, 14759457), (45, 4919819), (47, 4710465), (141, 1570155), (235, 942093), (423, 523385), (705, 314031), (2115, 104677)]