15720726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12907}}^1$

素因数の和:12948

約数の個数: 32

約数和(自身を含む): 37175040

約数和(自身を除く): 21454314

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 12907, 25814, 38721, 77442, 90349, 180698, 271047, 374303, 542094, 748606, 1122909, 2245818, 2620121, 5240242, 7860363, 15720726]

約数ペア:

[(1, 15720726), (2, 7860363), (3, 5240242), (6, 2620121), (7, 2245818), (14, 1122909), (21, 748606), (29, 542094), (42, 374303), (58, 271047), (87, 180698), (174, 90349), (203, 77442), (406, 38721), (609, 25814), (1218, 12907)]