28613295

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 53138592

約数和(自身を除く): 24525297

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 113, 153, 255, 331, 339, 565, 765, 993, 1017, 1655, 1695, 1921, 2979, 4965, 5085, 5627, 5763, 9605, 14895, 16881, 17289, 28135, 28815, 37403, 50643, 84405, 86445, 112209, 187015, 253215, 336627, 561045, 635851, 1683135, 1907553, 3179255, 5722659, 9537765, 28613295]

約数ペア:

[(1, 28613295), (3, 9537765), (5, 5722659), (9, 3179255), (15, 1907553), (17, 1683135), (45, 635851), (51, 561045), (85, 336627), (113, 253215), (153, 187015), (255, 112209), (331, 86445), (339, 84405), (565, 50643), (765, 37403), (993, 28815), (1017, 28135), (1655, 17289), (1695, 16881), (1921, 14895), (2979, 9605), (4965, 5763), (5085, 5627)]