155215109

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 193314816

約数和(自身を除く): 38099707

約数列:

[1, 7, 23, 31, 137, 161, 217, 227, 713, 959, 1589, 3151, 4247, 4991, 5221, 7037, 22057, 29729, 31099, 36547, 49259, 97681, 161851, 217693, 683767, 715277, 964069, 1132957, 5006939, 6748483, 22173587, 155215109]

約数ペア:

[(1, 155215109), (7, 22173587), (23, 6748483), (31, 5006939), (137, 1132957), (161, 964069), (217, 715277), (227, 683767), (713, 217693), (959, 161851), (1589, 97681), (3151, 49259), (4247, 36547), (4991, 31099), (5221, 29729), (7037, 22057)]