490147503

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2729}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 723340800

約数和(自身を除く): 233193297

約数列:

[1, 3, 19, 23, 57, 69, 137, 411, 437, 1311, 2603, 2729, 3151, 7809, 8187, 9453, 51851, 59869, 62767, 155553, 179607, 188301, 373873, 1121619, 1192573, 3577719, 7103587, 8599079, 21310761, 25797237, 163382501, 490147503]

約数ペア:

[(1, 490147503), (3, 163382501), (19, 25797237), (23, 21310761), (57, 8599079), (69, 7103587), (137, 3577719), (411, 1192573), (437, 1121619), (1311, 373873), (2603, 188301), (2729, 179607), (3151, 155553), (7809, 62767), (8187, 59869), (9453, 51851)]