51498990

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{21193}}^1$

素因数の和:21215

約数の個数: 48

約数和(自身を含む): 138863088

約数和(自身を除く): 87364098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 21193, 42386, 63579, 105965, 127158, 190737, 211930, 317895, 381474, 572211, 635790, 953685, 1144422, 1716633, 1907370, 2861055, 3433266, 5149899, 5722110, 8583165, 10299798, 17166330, 25749495, 51498990]

約数ペア:

[(1, 51498990), (2, 25749495), (3, 17166330), (5, 10299798), (6, 8583165), (9, 5722110), (10, 5149899), (15, 3433266), (18, 2861055), (27, 1907370), (30, 1716633), (45, 1144422), (54, 953685), (81, 635790), (90, 572211), (135, 381474), (162, 317895), (243, 211930), (270, 190737), (405, 127158), (486, 105965), (810, 63579), (1215, 42386), (2430, 21193)]