1189375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:204

約数の個数: 20

約数和(自身を含む): 1630728

約数和(自身を除く): 441353

約数列:

[1, 5, 11, 25, 55, 125, 173, 275, 625, 865, 1375, 1903, 4325, 6875, 9515, 21625, 47575, 108125, 237875, 1189375]

約数ペア:

[(1, 1189375), (5, 237875), (11, 108125), (25, 47575), (55, 21625), (125, 9515), (173, 6875), (275, 4325), (625, 1903), (865, 1375)]