120372721

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{4049}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 143078400

約数和(自身を除く): 22705679

約数列:

[1, 7, 31, 137, 217, 959, 4049, 4247, 28343, 29729, 125519, 554713, 878633, 3882991, 17196103, 120372721]

約数ペア:

[(1, 120372721), (7, 17196103), (31, 3882991), (137, 878633), (217, 554713), (959, 125519), (4049, 29729), (4247, 28343)]