157986339

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{7213}}^1$

素因数の和:7379

約数の個数: 24

約数和(自身を含む): 246718800

約数和(自身を除く): 88732461

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3129, 7213, 7301, 21639, 21903, 50491, 151473, 353437, 1060311, 1074737, 3224211, 7523159, 22569477, 52662113, 157986339]

約数ペア:

[(1, 157986339), (3, 52662113), (7, 22569477), (21, 7523159), (49, 3224211), (147, 1074737), (149, 1060311), (447, 353437), (1043, 151473), (3129, 50491), (7213, 21903), (7301, 21639)]