81318330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{100393}}^1$

素因数の和:100412

約数の個数: 40

約数和(自身を含む): 218658132

約数和(自身を除く): 137339802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 100393, 200786, 301179, 501965, 602358, 903537, 1003930, 1505895, 1807074, 2710611, 3011790, 4517685, 5421222, 8131833, 9035370, 13553055, 16263666, 27106110, 40659165, 81318330]

約数ペア:

[(1, 81318330), (2, 40659165), (3, 27106110), (5, 16263666), (6, 13553055), (9, 9035370), (10, 8131833), (15, 5421222), (18, 4517685), (27, 3011790), (30, 2710611), (45, 1807074), (54, 1505895), (81, 1003930), (90, 903537), (135, 602358), (162, 501965), (270, 301179), (405, 200786), (810, 100393)]