25308513

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 39903760

約数和(自身を除く): 14595247

約数列:

[1, 3, 9, 19, 47, 57, 67, 141, 171, 201, 423, 603, 893, 1273, 2209, 2679, 3149, 3819, 6627, 8037, 9447, 11457, 19881, 28341, 41971, 59831, 125913, 148003, 179493, 377739, 444009, 538479, 1332027, 2812057, 8436171, 25308513]

約数ペア:

[(1, 25308513), (3, 8436171), (9, 2812057), (19, 1332027), (47, 538479), (57, 444009), (67, 377739), (141, 179493), (171, 148003), (201, 125913), (423, 59831), (603, 41971), (893, 28341), (1273, 19881), (2209, 11457), (2679, 9447), (3149, 8037), (3819, 6627)]