31687875

素因数分解:

$3^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 60278400

約数和(自身を除く): 28590525

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 125, 135, 205, 225, 229, 369, 375, 615, 675, 687, 1025, 1107, 1125, 1145, 1845, 2061, 3075, 3375, 3435, 5125, 5535, 5725, 6183, 9225, 9389, 10305, 15375, 17175, 27675, 28167, 28625, 30915, 46125, 46945, 51525, 84501, 85875, 138375, 140835, 154575, 234725, 253503, 257625, 422505, 704175, 772875, 1173625, 1267515, 2112525, 3520875, 6337575, 10562625, 31687875]

約数ペア:

[(1, 31687875), (3, 10562625), (5, 6337575), (9, 3520875), (15, 2112525), (25, 1267515), (27, 1173625), (41, 772875), (45, 704175), (75, 422505), (123, 257625), (125, 253503), (135, 234725), (205, 154575), (225, 140835), (229, 138375), (369, 85875), (375, 84501), (615, 51525), (675, 46945), (687, 46125), (1025, 30915), (1107, 28625), (1125, 28167), (1145, 27675), (1845, 17175), (2061, 15375), (3075, 10305), (3375, 9389), (3435, 9225), (5125, 6183), (5535, 5725)]