64640457

素因数分解:

$3^3\times 7^2\times {\mathrm{48859}}^1$

素因数の和:48882

約数の個数: 24

約数和(自身を含む): 111400800

約数和(自身を除く): 46760343

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 48859, 146577, 342013, 439731, 1026039, 1319193, 2394091, 3078117, 7182273, 9234351, 21546819, 64640457]

約数ペア:

[(1, 64640457), (3, 21546819), (7, 9234351), (9, 7182273), (21, 3078117), (27, 2394091), (49, 1319193), (63, 1026039), (147, 439731), (189, 342013), (441, 146577), (1323, 48859)]