161606991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1163}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 265950720

約数和(自身を除く): 104343729

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 509, 1163, 1527, 3489, 3563, 6617, 8141, 10689, 15119, 19851, 24423, 45357, 46319, 105833, 138957, 317499, 591967, 1775901, 4143769, 7695571, 12431307, 23086713, 53868997, 161606991]

約数ペア:

[(1, 161606991), (3, 53868997), (7, 23086713), (13, 12431307), (21, 7695571), (39, 4143769), (91, 1775901), (273, 591967), (509, 317499), (1163, 138957), (1527, 105833), (3489, 46319), (3563, 45357), (6617, 24423), (8141, 19851), (10689, 15119)]