87838653

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{220147}}^1$

素因数の和:220176

約数の個数: 16

約数和(自身を含む): 140894720

約数和(自身を除く): 53056067

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 220147, 660441, 1541029, 4182793, 4623087, 12548379, 29279551, 87838653]

約数ペア:

[(1, 87838653), (3, 29279551), (7, 12548379), (19, 4623087), (21, 4182793), (57, 1541029), (133, 660441), (399, 220147)]