28427931

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{853}}^1$

素因数の和:912

約数の個数: 36

約数和(自身を含む): 49115248

約数和(自身を除く): 20687317

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 853, 1449, 1587, 2559, 3703, 4761, 5971, 7677, 11109, 17913, 19619, 33327, 53739, 58857, 137333, 176571, 411999, 451237, 1235997, 1353711, 3158659, 4061133, 9475977, 28427931]

約数ペア:

[(1, 28427931), (3, 9475977), (7, 4061133), (9, 3158659), (21, 1353711), (23, 1235997), (63, 451237), (69, 411999), (161, 176571), (207, 137333), (483, 58857), (529, 53739), (853, 33327), (1449, 19619), (1587, 17913), (2559, 11109), (3703, 7677), (4761, 5971)]