1218387597

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1151}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 1996185600

約数和(自身を除く): 777798003

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 379, 399, 931, 1137, 1151, 2653, 2793, 3453, 7201, 7959, 8057, 18571, 21603, 21869, 24171, 50407, 55713, 56399, 65607, 151221, 153083, 169197, 352849, 436229, 459249, 1058547, 1071581, 1308687, 3053603, 3214743, 8288351, 9160809, 21375221, 24865053, 58018457, 64125663, 174055371, 406129199, 1218387597]

約数ペア:

[(1, 1218387597), (3, 406129199), (7, 174055371), (19, 64125663), (21, 58018457), (49, 24865053), (57, 21375221), (133, 9160809), (147, 8288351), (379, 3214743), (399, 3053603), (931, 1308687), (1137, 1071581), (1151, 1058547), (2653, 459249), (2793, 436229), (3453, 352849), (7201, 169197), (7959, 153083), (8057, 151221), (18571, 65607), (21603, 56399), (21869, 55713), (24171, 50407)]