1291213719

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 1978797600

約数和(自身を除く): 687583881

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 269, 347, 477, 807, 1041, 1537, 2421, 3123, 4611, 7801, 10063, 13833, 14257, 18391, 23403, 30189, 42771, 55173, 70209, 90567, 93343, 128313, 165519, 280029, 413453, 533339, 840087, 1240359, 1600017, 2706947, 3721077, 4800051, 4947179, 8120841, 14841537, 24362523, 44524611, 143468191, 430404573, 1291213719]

約数ペア:

[(1, 1291213719), (3, 430404573), (9, 143468191), (29, 44524611), (53, 24362523), (87, 14841537), (159, 8120841), (261, 4947179), (269, 4800051), (347, 3721077), (477, 2706947), (807, 1600017), (1041, 1240359), (1537, 840087), (2421, 533339), (3123, 413453), (4611, 280029), (7801, 165519), (10063, 128313), (13833, 93343), (14257, 90567), (18391, 70209), (23403, 55173), (30189, 42771)]