1318125

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 40

約数和(自身を含む): 2374240

約数和(自身を除く): 1056115

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 125, 185, 285, 375, 475, 555, 625, 703, 925, 1425, 1875, 2109, 2375, 2775, 3515, 4625, 7125, 10545, 11875, 13875, 17575, 23125, 35625, 52725, 69375, 87875, 263625, 439375, 1318125]

約数ペア:

[(1, 1318125), (3, 439375), (5, 263625), (15, 87875), (19, 69375), (25, 52725), (37, 35625), (57, 23125), (75, 17575), (95, 13875), (111, 11875), (125, 10545), (185, 7125), (285, 4625), (375, 3515), (475, 2775), (555, 2375), (625, 2109), (703, 1875), (925, 1425)]