28687659

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 24147669

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 41, 77, 91, 123, 143, 231, 233, 273, 287, 429, 451, 533, 699, 861, 1001, 1353, 1599, 1631, 2563, 3003, 3029, 3157, 3731, 4893, 5863, 7689, 9087, 9471, 9553, 11193, 17589, 17941, 21203, 28659, 33319, 41041, 53823, 63609, 66871, 99957, 105083, 123123, 124189, 200613, 233233, 315249, 372567, 699699, 735581, 869323, 1366079, 2206743, 2607969, 4098237, 9562553, 28687659]

約数ペア:

[(1, 28687659), (3, 9562553), (7, 4098237), (11, 2607969), (13, 2206743), (21, 1366079), (33, 869323), (39, 735581), (41, 699699), (77, 372567), (91, 315249), (123, 233233), (143, 200613), (231, 124189), (233, 123123), (273, 105083), (287, 99957), (429, 66871), (451, 63609), (533, 53823), (699, 41041), (861, 33319), (1001, 28659), (1353, 21203), (1599, 17941), (1631, 17589), (2563, 11193), (3003, 9553), (3029, 9471), (3157, 9087), (3731, 7689), (4893, 5863)]