284921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 16

約数和(自身を含む): 365568

約数和(自身を除く): 80647

約数列:

[1, 7, 13, 31, 91, 101, 217, 403, 707, 1313, 2821, 3131, 9191, 21917, 40703, 284921]

約数ペア:

[(1, 284921), (7, 40703), (13, 21917), (31, 9191), (91, 3131), (101, 2821), (217, 1313), (403, 707)]