780757299

素因数分解:

$3^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4211}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 1349187840

約数和(自身を除く): 568430541

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 243, 327, 567, 763, 981, 1701, 2289, 2943, 4211, 6867, 8829, 12633, 20601, 26487, 29477, 37899, 61803, 88431, 113697, 185409, 265293, 341091, 458999, 795879, 1023273, 1376997, 2387637, 3212993, 4130991, 7162911, 9638979, 12392973, 28916937, 37178919, 86750811, 111536757, 260252433, 780757299]

約数ペア:

[(1, 780757299), (3, 260252433), (7, 111536757), (9, 86750811), (21, 37178919), (27, 28916937), (63, 12392973), (81, 9638979), (109, 7162911), (189, 4130991), (243, 3212993), (327, 2387637), (567, 1376997), (763, 1023273), (981, 795879), (1701, 458999), (2289, 341091), (2943, 265293), (4211, 185409), (6867, 113697), (8829, 88431), (12633, 61803), (20601, 37899), (26487, 29477)]