19321875

素因数分解:

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

素因数の和:263

約数の個数: 48

約数和(自身を含む): 35935200

約数和(自身を除く): 16613325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 229, 375, 625, 675, 687, 1125, 1145, 1875, 2061, 3125, 3375, 3435, 5625, 5725, 6183, 9375, 10305, 16875, 17175, 28125, 28625, 30915, 51525, 84375, 85875, 143125, 154575, 257625, 429375, 715625, 772875, 1288125, 2146875, 3864375, 6440625, 19321875]

約数ペア:

[(1, 19321875), (3, 6440625), (5, 3864375), (9, 2146875), (15, 1288125), (25, 772875), (27, 715625), (45, 429375), (75, 257625), (125, 154575), (135, 143125), (225, 85875), (229, 84375), (375, 51525), (625, 30915), (675, 28625), (687, 28125), (1125, 17175), (1145, 16875), (1875, 10305), (2061, 9375), (3125, 6183), (3375, 5725), (3435, 5625)]