81561330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{100693}}^1$

素因数の和:100712

約数の個数: 40

約数和(自身を含む): 219311532

約数和(自身を除く): 137750202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 100693, 201386, 302079, 503465, 604158, 906237, 1006930, 1510395, 1812474, 2718711, 3020790, 4531185, 5437422, 8156133, 9062370, 13593555, 16312266, 27187110, 40780665, 81561330]

約数ペア:

[(1, 81561330), (2, 40780665), (3, 27187110), (5, 16312266), (6, 13593555), (9, 9062370), (10, 8156133), (15, 5437422), (18, 4531185), (27, 3020790), (30, 2718711), (45, 1812474), (54, 1510395), (81, 1006930), (90, 906237), (135, 604158), (162, 503465), (270, 302079), (405, 201386), (810, 100693)]