31806585

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 58406400

約数和(自身を除く): 26599815

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 79, 115, 207, 237, 345, 389, 395, 711, 1035, 1167, 1185, 1817, 1945, 3501, 3555, 5451, 5835, 8947, 9085, 16353, 17505, 26841, 27255, 30731, 44735, 80523, 81765, 92193, 134205, 153655, 276579, 402615, 460965, 706813, 1382895, 2120439, 3534065, 6361317, 10602195, 31806585]

約数ペア:

[(1, 31806585), (3, 10602195), (5, 6361317), (9, 3534065), (15, 2120439), (23, 1382895), (45, 706813), (69, 460965), (79, 402615), (115, 276579), (207, 153655), (237, 134205), (345, 92193), (389, 81765), (395, 80523), (711, 44735), (1035, 30731), (1167, 27255), (1185, 26841), (1817, 17505), (1945, 16353), (3501, 9085), (3555, 8947), (5451, 5835)]