221203619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 284592000

約数和(自身を除く): 63388381

約数列:

[1, 7, 13, 29, 91, 109, 203, 377, 763, 769, 1417, 2639, 3161, 5383, 9919, 9997, 22127, 22301, 41093, 69979, 83821, 156107, 287651, 289913, 586747, 1089673, 2029391, 2430809, 7627711, 17015663, 31600517, 221203619]

約数ペア:

[(1, 221203619), (7, 31600517), (13, 17015663), (29, 7627711), (91, 2430809), (109, 2029391), (203, 1089673), (377, 586747), (763, 289913), (769, 287651), (1417, 156107), (2639, 83821), (3161, 69979), (5383, 41093), (9919, 22301), (9997, 22127)]