187896891

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16787}}^1$

素因数の和:16851

約数の個数: 32

約数和(自身を含む): 315883008

約数和(自身を除く): 127986117

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 11193, 16787, 50361, 117509, 218231, 352527, 654693, 688267, 1527617, 2064801, 4582851, 4817869, 8947471, 14453607, 26842413, 62632297, 187896891]

約数ペア:

[(1, 187896891), (3, 62632297), (7, 26842413), (13, 14453607), (21, 8947471), (39, 4817869), (41, 4582851), (91, 2064801), (123, 1527617), (273, 688267), (287, 654693), (533, 352527), (861, 218231), (1599, 117509), (3731, 50361), (11193, 16787)]