28578015

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 52660608

約数和(自身を除く): 24082593

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 547, 645, 1161, 1215, 1641, 1935, 2735, 3483, 4923, 5805, 8205, 10449, 14769, 17415, 23521, 24615, 44307, 52245, 70563, 73845, 117605, 132921, 211689, 221535, 352815, 635067, 664605, 1058445, 1905201, 3175335, 5715603, 9526005, 28578015]

約数ペア:

[(1, 28578015), (3, 9526005), (5, 5715603), (9, 3175335), (15, 1905201), (27, 1058445), (43, 664605), (45, 635067), (81, 352815), (129, 221535), (135, 211689), (215, 132921), (243, 117605), (387, 73845), (405, 70563), (547, 52245), (645, 44307), (1161, 24615), (1215, 23521), (1641, 17415), (1935, 14769), (2735, 10449), (3483, 8205), (4923, 5805)]