311084775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 594247680

約数和(自身を除く): 283162905

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 47, 69, 75, 115, 141, 207, 225, 235, 345, 423, 575, 705, 1035, 1081, 1175, 1279, 1725, 2115, 3243, 3525, 3837, 5175, 5405, 6395, 9729, 10575, 11511, 16215, 19185, 27025, 29417, 31975, 48645, 57555, 60113, 81075, 88251, 95925, 147085, 180339, 243225, 264753, 287775, 300565, 441255, 541017, 735425, 901695, 1323765, 1382599, 1502825, 2206275, 2705085, 4147797, 4508475, 6618825, 6912995, 12443391, 13525425, 20738985, 34564975, 62216955, 103694925, 311084775]

約数ペア:

[(1, 311084775), (3, 103694925), (5, 62216955), (9, 34564975), (15, 20738985), (23, 13525425), (25, 12443391), (45, 6912995), (47, 6618825), (69, 4508475), (75, 4147797), (115, 2705085), (141, 2206275), (207, 1502825), (225, 1382599), (235, 1323765), (345, 901695), (423, 735425), (575, 541017), (705, 441255), (1035, 300565), (1081, 287775), (1175, 264753), (1279, 243225), (1725, 180339), (2115, 147085), (3243, 95925), (3525, 88251), (3837, 81075), (5175, 60113), (5405, 57555), (6395, 48645), (9729, 31975), (10575, 29417), (11511, 27025), (16215, 19185)]