81333735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16481}}^1$

素因数の和:16543

約数の個数: 32

約数和(自身を含む): 151898112

約数和(自身を除く): 70564377

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 16481, 49443, 82405, 115367, 247215, 346101, 576835, 774607, 1730505, 2323821, 3873035, 5422249, 11619105, 16266747, 27111245, 81333735]

約数ペア:

[(1, 81333735), (3, 27111245), (5, 16266747), (7, 11619105), (15, 5422249), (21, 3873035), (35, 2323821), (47, 1730505), (105, 774607), (141, 576835), (235, 346101), (329, 247215), (705, 115367), (987, 82405), (1645, 49443), (4935, 16481)]