27720961815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 46262678400

約数和(自身を除く): 18541716585

約数列:

[1, 3, 5, 15, 29, 87, 145, 229, 421, 435, 661, 687, 1145, 1263, 1983, 2105, 3305, 3435, 6315, 6641, 9915, 12209, 19169, 19923, 33205, 36627, 57507, 61045, 95845, 96409, 99615, 151369, 183135, 278281, 287535, 289227, 454107, 482045, 756845, 834843, 1391405, 1446135, 2270535, 2795861, 4174215, 4389701, 8070149, 8387583, 13169103, 13979305, 21948505, 24210447, 40350745, 41937915, 63726349, 65845515, 121052235, 191179047, 318631745, 955895235, 1848064121, 5544192363, 9240320605, 27720961815]

約数ペア:

[(1, 27720961815), (3, 9240320605), (5, 5544192363), (15, 1848064121), (29, 955895235), (87, 318631745), (145, 191179047), (229, 121052235), (421, 65845515), (435, 63726349), (661, 41937915), (687, 40350745), (1145, 24210447), (1263, 21948505), (1983, 13979305), (2105, 13169103), (3305, 8387583), (3435, 8070149), (6315, 4389701), (6641, 4174215), (9915, 2795861), (12209, 2270535), (19169, 1446135), (19923, 1391405), (33205, 834843), (36627, 756845), (57507, 482045), (61045, 454107), (95845, 289227), (96409, 287535), (99615, 278281), (151369, 183135)]