12912185853

素因数分解:

$3^2\times 7^2\times {\mathrm{1439}}^1\times {\mathrm{20347}}^1$

素因数の和:21806

約数の個数: 36

約数和(自身を含む): 21712129920

約数和(自身を除く): 8799944067

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1439, 4317, 10073, 12951, 20347, 30219, 61041, 70511, 90657, 142429, 183123, 211533, 427287, 634599, 997003, 1281861, 2991009, 8973027, 29279333, 87837999, 204955331, 263513997, 614865993, 1434687317, 1844597979, 4304061951, 12912185853]

約数ペア:

[(1, 12912185853), (3, 4304061951), (7, 1844597979), (9, 1434687317), (21, 614865993), (49, 263513997), (63, 204955331), (147, 87837999), (441, 29279333), (1439, 8973027), (4317, 2991009), (10073, 1281861), (12951, 997003), (20347, 634599), (30219, 427287), (61041, 211533), (70511, 183123), (90657, 142429)]