142390905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2203}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 236974080

約数和(自身を除く): 94583175

約数列:

[1, 3, 5, 15, 31, 93, 139, 155, 417, 465, 695, 2085, 2203, 4309, 6609, 11015, 12927, 21545, 33045, 64635, 68293, 204879, 306217, 341465, 918651, 1024395, 1531085, 4593255, 9492727, 28478181, 47463635, 142390905]

約数ペア:

[(1, 142390905), (3, 47463635), (5, 28478181), (15, 9492727), (31, 4593255), (93, 1531085), (139, 1024395), (155, 918651), (417, 341465), (465, 306217), (695, 204879), (2085, 68293), (2203, 64635), (4309, 33045), (6609, 21545), (11015, 12927)]