2453275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{811}}^1$

素因数の和:843

約数の個数: 18

約数和(自身を含む): 3347876

約数和(自身を除く): 894601

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 811, 3025, 4055, 8921, 20275, 44605, 98131, 223025, 490655, 2453275]

約数ペア:

[(1, 2453275), (5, 490655), (11, 223025), (25, 98131), (55, 44605), (121, 20275), (275, 8921), (605, 4055), (811, 3025)]