30221387

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 20

約数和(自身を含む): 36233736

約数和(自身を除く): 6012349

約数列:

[1, 7, 41, 49, 287, 307, 343, 2009, 2149, 2401, 12587, 14063, 15043, 88109, 98441, 105301, 616763, 737107, 4317341, 30221387]

約数ペア:

[(1, 30221387), (7, 4317341), (41, 737107), (49, 616763), (287, 105301), (307, 98441), (343, 88109), (2009, 15043), (2149, 14063), (2401, 12587)]