13018125

素因数分解:

$3^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 22267872

約数和(自身を除く): 9249747

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 131, 159, 265, 375, 393, 625, 655, 795, 1325, 1875, 1965, 3275, 3975, 6625, 6943, 9825, 16375, 19875, 20829, 33125, 34715, 49125, 81875, 99375, 104145, 173575, 245625, 520725, 867875, 2603625, 4339375, 13018125]

約数ペア:

[(1, 13018125), (3, 4339375), (5, 2603625), (15, 867875), (25, 520725), (53, 245625), (75, 173575), (125, 104145), (131, 99375), (159, 81875), (265, 49125), (375, 34715), (393, 33125), (625, 20829), (655, 19875), (795, 16375), (1325, 9825), (1875, 6943), (1965, 6625), (3275, 3975)]