1198125

素因数分解:

$3^3\times 5^4\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 40

約数和(自身を含む): 2249280

約数和(自身を除く): 1051155

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 125, 135, 213, 225, 355, 375, 625, 639, 675, 1065, 1125, 1775, 1875, 1917, 3195, 3375, 5325, 5625, 8875, 9585, 15975, 16875, 26625, 44375, 47925, 79875, 133125, 239625, 399375, 1198125]

約数ペア:

[(1, 1198125), (3, 399375), (5, 239625), (9, 133125), (15, 79875), (25, 47925), (27, 44375), (45, 26625), (71, 16875), (75, 15975), (125, 9585), (135, 8875), (213, 5625), (225, 5325), (355, 3375), (375, 3195), (625, 1917), (639, 1875), (675, 1775), (1065, 1125)]