201719325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 350977536

約数和(自身を除く): 149258211

約数列:

[1, 3, 5, 15, 25, 31, 53, 75, 93, 155, 159, 265, 465, 775, 795, 1325, 1637, 1643, 2325, 3975, 4911, 4929, 8185, 8215, 24555, 24645, 40925, 41075, 50747, 86761, 122775, 123225, 152241, 253735, 260283, 433805, 761205, 1268675, 1301415, 2169025, 2689591, 3806025, 6507075, 8068773, 13447955, 40343865, 67239775, 201719325]

約数ペア:

[(1, 201719325), (3, 67239775), (5, 40343865), (15, 13447955), (25, 8068773), (31, 6507075), (53, 3806025), (75, 2689591), (93, 2169025), (155, 1301415), (159, 1268675), (265, 761205), (465, 433805), (775, 260283), (795, 253735), (1325, 152241), (1637, 123225), (1643, 122775), (2325, 86761), (3975, 50747), (4911, 41075), (4929, 40925), (8185, 24645), (8215, 24555)]