30890655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23671}}^1$

素因数の和:23711

約数の個数: 24

約数和(自身を含む): 55392480

約数和(自身を除く): 24501825

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 23671, 71013, 118355, 213039, 355065, 686459, 1065195, 2059377, 3432295, 6178131, 10296885, 30890655]

約数ペア:

[(1, 30890655), (3, 10296885), (5, 6178131), (9, 3432295), (15, 2059377), (29, 1065195), (45, 686459), (87, 355065), (145, 213039), (261, 118355), (435, 71013), (1305, 23671)]