1321875

素因数分解:

$3^2\times 5^5\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 2437344

約数和(自身を除く): 1115469

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 125, 141, 225, 235, 375, 423, 625, 705, 1125, 1175, 1875, 2115, 3125, 3525, 5625, 5875, 9375, 10575, 17625, 28125, 29375, 52875, 88125, 146875, 264375, 440625, 1321875]

約数ペア:

[(1, 1321875), (3, 440625), (5, 264375), (9, 146875), (15, 88125), (25, 52875), (45, 29375), (47, 28125), (75, 17625), (125, 10575), (141, 9375), (225, 5875), (235, 5625), (375, 3525), (423, 3125), (625, 2115), (705, 1875), (1125, 1175)]