72817305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1979}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 54916455

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 223, 669, 1115, 1979, 2453, 3345, 5937, 7359, 9895, 12265, 21769, 29685, 36795, 65307, 108845, 326535, 441317, 1323951, 2206585, 4854487, 6619755, 14563461, 24272435, 72817305]

約数ペア:

[(1, 72817305), (3, 24272435), (5, 14563461), (11, 6619755), (15, 4854487), (33, 2206585), (55, 1323951), (165, 441317), (223, 326535), (669, 108845), (1115, 65307), (1979, 36795), (2453, 29685), (3345, 21769), (5937, 12265), (7359, 9895)]