210528171

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{31231}}^1$

素因数の和:31351

約数の個数: 24

約数和(自身を含む): 350797824

約数和(自身を除く): 140269653

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 31231, 93693, 218617, 281079, 655851, 1967553, 3341717, 10025151, 23392019, 30075453, 70176057, 210528171]

約数ペア:

[(1, 210528171), (3, 70176057), (7, 30075453), (9, 23392019), (21, 10025151), (63, 3341717), (107, 1967553), (321, 655851), (749, 281079), (963, 218617), (2247, 93693), (6741, 31231)]