258515541

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 404352000

約数和(自身を除く): 145836459

約数列:

[1, 3, 9, 29, 31, 87, 89, 93, 261, 267, 279, 359, 801, 899, 1077, 2581, 2697, 2759, 3231, 7743, 8091, 8277, 10411, 11129, 23229, 24831, 31233, 31951, 33387, 80011, 93699, 95853, 100161, 240033, 287559, 322741, 720099, 926579, 968223, 990481, 2779737, 2904669, 2971443, 8339211, 8914329, 28723949, 86171847, 258515541]

約数ペア:

[(1, 258515541), (3, 86171847), (9, 28723949), (29, 8914329), (31, 8339211), (87, 2971443), (89, 2904669), (93, 2779737), (261, 990481), (267, 968223), (279, 926579), (359, 720099), (801, 322741), (899, 287559), (1077, 240033), (2581, 100161), (2697, 95853), (2759, 93699), (3231, 80011), (7743, 33387), (8091, 31951), (8277, 31233), (10411, 24831), (11129, 23229)]