215470899

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{117937}}^1$

素因数の和:117979

約数の個数: 24

約数和(自身を含む): 367966560

約数和(自身を除く): 152495661

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 117937, 353811, 825559, 1061433, 2476677, 3420173, 7430031, 10260519, 23941211, 30781557, 71823633, 215470899]

約数ペア:

[(1, 215470899), (3, 71823633), (7, 30781557), (9, 23941211), (21, 10260519), (29, 7430031), (63, 3420173), (87, 2476677), (203, 1061433), (261, 825559), (609, 353811), (1827, 117937)]