201808125

素因数分解:

$3^3\times 5^4\times {\mathrm{11959}}^1$

素因数の和:11988

約数の個数: 40

約数和(自身を含む): 373630400

約数和(自身を除く): 171822275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3375, 5625, 11959, 16875, 35877, 59795, 107631, 179385, 298975, 322893, 538155, 896925, 1494875, 1614465, 2690775, 4484625, 7474375, 8072325, 13453875, 22423125, 40361625, 67269375, 201808125]

約数ペア:

[(1, 201808125), (3, 67269375), (5, 40361625), (9, 22423125), (15, 13453875), (25, 8072325), (27, 7474375), (45, 4484625), (75, 2690775), (125, 1614465), (135, 1494875), (225, 896925), (375, 538155), (625, 322893), (675, 298975), (1125, 179385), (1875, 107631), (3375, 59795), (5625, 35877), (11959, 16875)]