64970025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 114278400

約数和(自身を除く): 49308375

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 127, 285, 359, 381, 475, 635, 1077, 1425, 1795, 1905, 2413, 3175, 5385, 6821, 7239, 8975, 9525, 12065, 20463, 26925, 34105, 36195, 45593, 60325, 102315, 136779, 170525, 180975, 227965, 511575, 683895, 866267, 1139825, 2598801, 3419475, 4331335, 12994005, 21656675, 64970025]

約数ペア:

[(1, 64970025), (3, 21656675), (5, 12994005), (15, 4331335), (19, 3419475), (25, 2598801), (57, 1139825), (75, 866267), (95, 683895), (127, 511575), (285, 227965), (359, 180975), (381, 170525), (475, 136779), (635, 102315), (1077, 60325), (1425, 45593), (1795, 36195), (1905, 34105), (2413, 26925), (3175, 20463), (5385, 12065), (6821, 9525), (7239, 8975)]