157031511

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 272885760

約数和(自身を除く): 115854249

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 89, 91, 161, 267, 273, 281, 299, 483, 623, 843, 897, 1157, 1869, 1967, 2047, 2093, 3471, 3653, 5901, 6141, 6279, 6463, 8099, 10959, 14329, 19389, 24297, 25009, 25571, 26611, 42987, 45241, 75027, 76713, 79833, 84019, 135723, 175063, 186277, 252057, 325117, 525189, 558831, 575207, 588133, 975351, 1725621, 1764399, 2275819, 4026449, 6827457, 7477691, 12079347, 22433073, 52343837, 157031511]

約数ペア:

[(1, 157031511), (3, 52343837), (7, 22433073), (13, 12079347), (21, 7477691), (23, 6827457), (39, 4026449), (69, 2275819), (89, 1764399), (91, 1725621), (161, 975351), (267, 588133), (273, 575207), (281, 558831), (299, 525189), (483, 325117), (623, 252057), (843, 186277), (897, 175063), (1157, 135723), (1869, 84019), (1967, 79833), (2047, 76713), (2093, 75027), (3471, 45241), (3653, 42987), (5901, 26611), (6141, 25571), (6279, 25009), (6463, 24297), (8099, 19389), (10959, 14329)]