821353

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 16

約数和(自身を含む): 959616

約数和(自身を除く): 138263

約数列:

[1, 13, 23, 41, 67, 299, 533, 871, 943, 1541, 2747, 12259, 20033, 35711, 63181, 821353]

約数ペア:

[(1, 821353), (13, 63181), (23, 35711), (41, 20033), (67, 12259), (299, 2747), (533, 1541), (871, 943)]