40892007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 61286400

約数和(自身を除く): 20394393

約数列:

[1, 3, 13, 31, 39, 93, 149, 227, 403, 447, 681, 1209, 1937, 2951, 4619, 5811, 7037, 8853, 13857, 21111, 33823, 60047, 91481, 101469, 180141, 274443, 439699, 1048513, 1319097, 3145539, 13630669, 40892007]

約数ペア:

[(1, 40892007), (3, 13630669), (13, 3145539), (31, 1319097), (39, 1048513), (93, 439699), (149, 274443), (227, 180141), (403, 101469), (447, 91481), (681, 60047), (1209, 33823), (1937, 21111), (2951, 13857), (4619, 8853), (5811, 7037)]