53981487

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1252

約数の個数: 36

約数和(自身を含む): 91617240

約数和(自身を除く): 37635753

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 441, 763, 981, 1123, 2289, 3369, 5341, 6867, 7861, 10107, 16023, 23583, 48069, 55027, 70749, 122407, 165081, 367221, 495243, 856849, 1101663, 2570547, 5997943, 7711641, 17993829, 53981487]

約数ペア:

[(1, 53981487), (3, 17993829), (7, 7711641), (9, 5997943), (21, 2570547), (49, 1101663), (63, 856849), (109, 495243), (147, 367221), (327, 165081), (441, 122407), (763, 70749), (981, 55027), (1123, 48069), (2289, 23583), (3369, 16023), (5341, 10107), (6867, 7861)]