128580645

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 210228480

約数和(自身を除く): 81647835

約数列:

[1, 3, 5, 15, 71, 157, 213, 355, 471, 769, 785, 1065, 2307, 2355, 3845, 11147, 11535, 33441, 54599, 55735, 120733, 163797, 167205, 272995, 362199, 603665, 818985, 1810995, 8572043, 25716129, 42860215, 128580645]

約数ペア:

[(1, 128580645), (3, 42860215), (5, 25716129), (15, 8572043), (71, 1810995), (157, 818985), (213, 603665), (355, 362199), (471, 272995), (769, 167205), (785, 163797), (1065, 120733), (2307, 55735), (2355, 54599), (3845, 33441), (11147, 11535)]