9880915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 13810176

約数和(自身を除く): 3929261

約数列:

[1, 5, 11, 23, 55, 73, 107, 115, 253, 365, 535, 803, 1177, 1265, 1679, 2461, 4015, 5885, 7811, 8395, 12305, 18469, 27071, 39055, 85921, 92345, 135355, 179653, 429605, 898265, 1976183, 9880915]

約数ペア:

[(1, 9880915), (5, 1976183), (11, 898265), (23, 429605), (55, 179653), (73, 135355), (107, 92345), (115, 85921), (253, 39055), (365, 27071), (535, 18469), (803, 12305), (1177, 8395), (1265, 7811), (1679, 5885), (2461, 4015)]