245467215

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{111323}}^1$

素因数の和:111348

約数の個数: 36

約数和(自身を含む): 494946504

約数和(自身を除く): 249479289

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 111323, 333969, 556615, 779261, 1001907, 1669845, 2337783, 3896305, 5009535, 5454827, 7013349, 11688915, 16364481, 27274135, 35066745, 49093443, 81822405, 245467215]

約数ペア:

[(1, 245467215), (3, 81822405), (5, 49093443), (7, 35066745), (9, 27274135), (15, 16364481), (21, 11688915), (35, 7013349), (45, 5454827), (49, 5009535), (63, 3896305), (105, 2337783), (147, 1669845), (245, 1001907), (315, 779261), (441, 556615), (735, 333969), (2205, 111323)]