61140225

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 105618240

約数和(自身を除く): 44478015

約数列:

[1, 3, 5, 15, 25, 41, 59, 75, 123, 177, 205, 295, 337, 615, 885, 1011, 1025, 1475, 1685, 2419, 3075, 4425, 5055, 7257, 8425, 12095, 13817, 19883, 25275, 36285, 41451, 59649, 60475, 69085, 99415, 181425, 207255, 298245, 345425, 497075, 815203, 1036275, 1491225, 2445609, 4076015, 12228045, 20380075, 61140225]

約数ペア:

[(1, 61140225), (3, 20380075), (5, 12228045), (15, 4076015), (25, 2445609), (41, 1491225), (59, 1036275), (75, 815203), (123, 497075), (177, 345425), (205, 298245), (295, 207255), (337, 181425), (615, 99415), (885, 69085), (1011, 60475), (1025, 59649), (1475, 41451), (1685, 36285), (2419, 25275), (3075, 19883), (4425, 13817), (5055, 12095), (7257, 8425)]