87231963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1847}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 144055296

約数和(自身を除く): 56823333

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 519, 1211, 1847, 2249, 3633, 5541, 6747, 12929, 15743, 24011, 38787, 47229, 72033, 168077, 319531, 504231, 958593, 2236717, 4153903, 6710151, 12461709, 29077321, 87231963]

約数ペア:

[(1, 87231963), (3, 29077321), (7, 12461709), (13, 6710151), (21, 4153903), (39, 2236717), (91, 958593), (173, 504231), (273, 319531), (519, 168077), (1211, 72033), (1847, 47229), (2249, 38787), (3633, 24011), (5541, 15743), (6747, 12929)]