8020905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 13630464

約数和(自身を除く): 5609559

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 347, 1005, 1041, 1541, 1735, 4623, 5205, 7705, 7981, 23115, 23249, 23943, 39905, 69747, 116245, 119715, 348735, 534727, 1604181, 2673635, 8020905]

約数ペア:

[(1, 8020905), (3, 2673635), (5, 1604181), (15, 534727), (23, 348735), (67, 119715), (69, 116245), (115, 69747), (201, 39905), (335, 23943), (345, 23249), (347, 23115), (1005, 7981), (1041, 7705), (1541, 5205), (1735, 4623)]