51639531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 74856960

約数和(自身を除く): 23217429

約数列:

[1, 3, 23, 37, 69, 111, 113, 179, 339, 537, 851, 2553, 2599, 4117, 4181, 6623, 7797, 12351, 12543, 19869, 20227, 60681, 96163, 152329, 288489, 456987, 465221, 748399, 1395663, 2245197, 17213177, 51639531]

約数ペア:

[(1, 51639531), (3, 17213177), (23, 2245197), (37, 1395663), (69, 748399), (111, 465221), (113, 456987), (179, 288489), (339, 152329), (537, 96163), (851, 60681), (2553, 20227), (2599, 19869), (4117, 12543), (4181, 12351), (6623, 7797)]