408291273

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 662357696

約数和(自身を除く): 254066423

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 307, 351, 421, 921, 1053, 1263, 2763, 3159, 3789, 3991, 5473, 8289, 11367, 11973, 16419, 24867, 34101, 35919, 49257, 74601, 102303, 107757, 129247, 147771, 323271, 387741, 443313, 969813, 1163223, 1329939, 1680211, 3489669, 5040633, 10469007, 15121899, 31407021, 45365697, 136097091, 408291273]

約数ペア:

[(1, 408291273), (3, 136097091), (9, 45365697), (13, 31407021), (27, 15121899), (39, 10469007), (81, 5040633), (117, 3489669), (243, 1680211), (307, 1329939), (351, 1163223), (421, 969813), (921, 443313), (1053, 387741), (1263, 323271), (2763, 147771), (3159, 129247), (3789, 107757), (3991, 102303), (5473, 74601), (8289, 49257), (11367, 35919), (11973, 34101), (16419, 24867)]