31318497

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 53778816

約数和(自身を除く): 22460319

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1511, 2303, 2961, 4533, 6909, 10577, 13599, 20727, 31731, 71017, 74039, 95193, 213051, 222117, 497119, 639153, 666351, 1491357, 3479833, 4474071, 10439499, 31318497]

約数ペア:

[(1, 31318497), (3, 10439499), (7, 4474071), (9, 3479833), (21, 1491357), (47, 666351), (49, 639153), (63, 497119), (141, 222117), (147, 213051), (329, 95193), (423, 74039), (441, 71017), (987, 31731), (1511, 20727), (2303, 13599), (2961, 10577), (4533, 6909)]