81448815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2741}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 149515776

約数和(自身を除く): 68066961

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 1415, 1981, 2741, 4245, 5943, 8223, 9905, 13705, 19187, 29715, 41115, 57561, 95935, 287805, 775703, 2327109, 3878515, 5429921, 11635545, 16289763, 27149605, 81448815]

約数ペア:

[(1, 81448815), (3, 27149605), (5, 16289763), (7, 11635545), (15, 5429921), (21, 3878515), (35, 2327109), (105, 775703), (283, 287805), (849, 95935), (1415, 57561), (1981, 41115), (2741, 29715), (4245, 19187), (5943, 13705), (8223, 9905)]