278364699

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{20071}}^1$

素因数の和:20167

約数の個数: 24

約数和(自身を含む): 425847552

約数和(自身を除く): 147482853

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1541, 4623, 13869, 20071, 60213, 180639, 461633, 1344757, 1384899, 4034271, 4154697, 12102813, 30929411, 92788233, 278364699]

約数ペア:

[(1, 278364699), (3, 92788233), (9, 30929411), (23, 12102813), (67, 4154697), (69, 4034271), (201, 1384899), (207, 1344757), (603, 461633), (1541, 180639), (4623, 60213), (13869, 20071)]