12221505

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2689}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 21401640

約数和(自身を除く): 9180135

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 2689, 4545, 8067, 13445, 24201, 40335, 121005, 271589, 814767, 1357945, 2444301, 4073835, 12221505]

約数ペア:

[(1, 12221505), (3, 4073835), (5, 2444301), (9, 1357945), (15, 814767), (45, 271589), (101, 121005), (303, 40335), (505, 24201), (909, 13445), (1515, 8067), (2689, 4545)]