81520305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{971}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 135768960

約数和(自身を除く): 54248655

約数列:

[1, 3, 5, 15, 29, 87, 145, 193, 435, 579, 965, 971, 2895, 2913, 4855, 5597, 14565, 16791, 27985, 28159, 83955, 84477, 140795, 187403, 422385, 562209, 937015, 2811045, 5434687, 16304061, 27173435, 81520305]

約数ペア:

[(1, 81520305), (3, 27173435), (5, 16304061), (15, 5434687), (29, 2811045), (87, 937015), (145, 562209), (193, 422385), (435, 187403), (579, 140795), (965, 84477), (971, 83955), (2895, 28159), (2913, 27985), (4855, 16791), (5597, 14565)]