63641205

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19919}}^1$

素因数の和:20001

約数の個数: 24

約数和(自身を含む): 111870720

約数和(自身を除く): 48229515

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 19919, 59757, 99595, 179271, 298785, 896355, 1414249, 4242747, 7071245, 12728241, 21213735, 63641205]

約数ペア:

[(1, 63641205), (3, 21213735), (5, 12728241), (9, 7071245), (15, 4242747), (45, 1414249), (71, 896355), (213, 298785), (355, 179271), (639, 99595), (1065, 59757), (3195, 19919)]