3221505

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{487}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 6675840

約数和(自身を除く): 3454335

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 487, 735, 945, 1323, 1461, 2205, 2435, 3409, 4383, 6615, 7305, 10227, 13149, 17045, 21915, 23863, 30681, 51135, 65745, 71589, 92043, 119315, 153405, 214767, 357945, 460215, 644301, 1073835, 3221505]

約数ペア:

[(1, 3221505), (3, 1073835), (5, 644301), (7, 460215), (9, 357945), (15, 214767), (21, 153405), (27, 119315), (35, 92043), (45, 71589), (49, 65745), (63, 51135), (105, 30681), (135, 23863), (147, 21915), (189, 17045), (245, 13149), (315, 10227), (441, 7305), (487, 6615), (735, 4383), (945, 3409), (1323, 2435), (1461, 2205)]