210520155

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 344148480

約数和(自身を除く): 133628325

約数列:

[1, 3, 5, 15, 89, 103, 267, 309, 445, 515, 1335, 1531, 1545, 4593, 7655, 9167, 22965, 27501, 45835, 136259, 137505, 157693, 408777, 473079, 681295, 788465, 2043885, 2365395, 14034677, 42104031, 70173385, 210520155]

約数ペア:

[(1, 210520155), (3, 70173385), (5, 42104031), (15, 14034677), (89, 2365395), (103, 2043885), (267, 788465), (309, 681295), (445, 473079), (515, 408777), (1335, 157693), (1531, 137505), (1545, 136259), (4593, 45835), (7655, 27501), (9167, 22965)]