1331192961

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 2348615808

約数和(自身を除く): 1017422847

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 173, 189, 287, 331, 369, 519, 567, 861, 993, 1107, 1211, 1557, 2317, 2583, 2979, 3321, 3633, 4671, 6951, 7093, 7749, 8937, 10899, 13571, 14013, 20853, 21279, 23247, 26811, 32697, 40713, 49651, 57263, 62559, 63837, 94997, 98091, 122139, 148953, 171789, 187677, 191511, 284991, 366417, 400841, 446859, 515367, 574533, 854973, 1099251, 1202523, 1340577, 1546101, 2347783, 2564919, 3607569, 4021731, 4638303, 7043349, 7694757, 10822707, 16434481, 21130047, 32468121, 49303443, 63390141, 147910329, 190170423, 443730987, 1331192961]

約数ペア:

[(1, 1331192961), (3, 443730987), (7, 190170423), (9, 147910329), (21, 63390141), (27, 49303443), (41, 32468121), (63, 21130047), (81, 16434481), (123, 10822707), (173, 7694757), (189, 7043349), (287, 4638303), (331, 4021731), (369, 3607569), (519, 2564919), (567, 2347783), (861, 1546101), (993, 1340577), (1107, 1202523), (1211, 1099251), (1557, 854973), (2317, 574533), (2583, 515367), (2979, 446859), (3321, 400841), (3633, 366417), (4671, 284991), (6951, 191511), (7093, 187677), (7749, 171789), (8937, 148953), (10899, 122139), (13571, 98091), (14013, 94997), (20853, 63837), (21279, 62559), (23247, 57263), (26811, 49651), (32697, 40713)]