31456419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 14373981

約数列:

[1, 3, 19, 57, 61, 83, 109, 183, 249, 327, 1159, 1577, 2071, 3477, 4731, 5063, 6213, 6649, 9047, 15189, 19947, 27141, 96197, 126331, 171893, 288591, 378993, 515679, 551867, 1655601, 10485473, 31456419]

約数ペア:

[(1, 31456419), (3, 10485473), (19, 1655601), (57, 551867), (61, 515679), (83, 378993), (109, 288591), (183, 171893), (249, 126331), (327, 96197), (1159, 27141), (1577, 19947), (2071, 15189), (3477, 9047), (4731, 6649), (5063, 6213)]