1645272

素因数分解:

$2^3\times 3^4\times {\mathrm{2539}}^1$

素因数の和:2557

約数の個数: 40

約数和(自身を含む): 4610100

約数和(自身を除く): 2964828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 2539, 5078, 7617, 10156, 15234, 20312, 22851, 30468, 45702, 60936, 68553, 91404, 137106, 182808, 205659, 274212, 411318, 548424, 822636, 1645272]

約数ペア:

[(1, 1645272), (2, 822636), (3, 548424), (4, 411318), (6, 274212), (8, 205659), (9, 182808), (12, 137106), (18, 91404), (24, 68553), (27, 60936), (36, 45702), (54, 30468), (72, 22851), (81, 20312), (108, 15234), (162, 10156), (216, 7617), (324, 5078), (648, 2539)]