859815

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 1690128

約数和(自身を除く): 830313

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 193, 297, 405, 495, 579, 891, 965, 1485, 1737, 2123, 2895, 4455, 5211, 6369, 8685, 10615, 15633, 19107, 26055, 31845, 57321, 78165, 95535, 171963, 286605, 859815]

約数ペア:

[(1, 859815), (3, 286605), (5, 171963), (9, 95535), (11, 78165), (15, 57321), (27, 31845), (33, 26055), (45, 19107), (55, 15633), (81, 10615), (99, 8685), (135, 6369), (165, 5211), (193, 4455), (297, 2895), (405, 2123), (495, 1737), (579, 1485), (891, 965)]