1894354479

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 2972712960

約数和(自身を除く): 1078358481

約数列:

[1, 3, 9, 27, 31, 71, 93, 127, 213, 251, 279, 381, 639, 753, 837, 1143, 1917, 2201, 2259, 3429, 3937, 6603, 6777, 7781, 9017, 11811, 17821, 19809, 23343, 27051, 31877, 35433, 53463, 59427, 70029, 81153, 95631, 106299, 160389, 210087, 243459, 279527, 286893, 481167, 552451, 838581, 860679, 988187, 1657353, 2263267, 2515743, 2964561, 4972059, 6789801, 7547229, 8893683, 14916177, 20369403, 26681049, 61108209, 70161277, 210483831, 631451493, 1894354479]

約数ペア:

[(1, 1894354479), (3, 631451493), (9, 210483831), (27, 70161277), (31, 61108209), (71, 26681049), (93, 20369403), (127, 14916177), (213, 8893683), (251, 7547229), (279, 6789801), (381, 4972059), (639, 2964561), (753, 2515743), (837, 2263267), (1143, 1657353), (1917, 988187), (2201, 860679), (2259, 838581), (3429, 552451), (3937, 481167), (6603, 286893), (6777, 279527), (7781, 243459), (9017, 210087), (11811, 160389), (17821, 106299), (19809, 95631), (23343, 81153), (27051, 70029), (31877, 59427), (35433, 53463)]