15812791491

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{1493}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 25419322368

約数和(自身を除く): 9606530877

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 317, 777, 903, 951, 1493, 1591, 2219, 4479, 4773, 6657, 10451, 11137, 11729, 13631, 31353, 33411, 35187, 40893, 55241, 64199, 82103, 95417, 165723, 192597, 246309, 286251, 386687, 449393, 473281, 504347, 1160061, 1348179, 1419843, 1513041, 2375363, 3312967, 3530429, 7126089, 9938901, 10591287, 16627541, 17511397, 20351083, 49882623, 52534191, 61053249, 122579779, 142457581, 367739337, 427372743, 752990071, 2258970213, 5270930497, 15812791491]

約数ペア:

[(1, 15812791491), (3, 5270930497), (7, 2258970213), (21, 752990071), (37, 427372743), (43, 367739337), (111, 142457581), (129, 122579779), (259, 61053249), (301, 52534191), (317, 49882623), (777, 20351083), (903, 17511397), (951, 16627541), (1493, 10591287), (1591, 9938901), (2219, 7126089), (4479, 3530429), (4773, 3312967), (6657, 2375363), (10451, 1513041), (11137, 1419843), (11729, 1348179), (13631, 1160061), (31353, 504347), (33411, 473281), (35187, 449393), (40893, 386687), (55241, 286251), (64199, 246309), (82103, 192597), (95417, 165723)]