215432857

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 236265984

約数和(自身を除く): 20833127

約数列:

[1, 17, 31, 421, 527, 971, 7157, 13051, 16507, 30101, 221867, 408791, 511717, 6949447, 12672521, 215432857]

約数ペア:

[(1, 215432857), (17, 12672521), (31, 6949447), (421, 511717), (527, 408791), (971, 221867), (7157, 30101), (13051, 16507)]