9980505

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9643}}^1$

素因数の和:9677

約数の個数: 24

約数和(自身を含む): 18053568

約数和(自身を除く): 8073063

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 9643, 28929, 48215, 86787, 144645, 221789, 433935, 665367, 1108945, 1996101, 3326835, 9980505]

約数ペア:

[(1, 9980505), (3, 3326835), (5, 1996101), (9, 1108945), (15, 665367), (23, 433935), (45, 221789), (69, 144645), (115, 86787), (207, 48215), (345, 28929), (1035, 9643)]