20161008405

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{12413}}^1$

素因数の和:12707

約数の個数: 64

約数和(自身を含む): 36681880320

約数和(自身を除く): 16520871915

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 227, 265, 477, 681, 795, 1135, 1431, 2043, 2385, 3405, 6129, 7155, 10215, 12031, 12413, 30645, 36093, 37239, 60155, 62065, 108279, 111717, 180465, 186195, 324837, 335151, 541395, 558585, 657889, 1624185, 1675755, 1973667, 2817751, 3289445, 5921001, 8453253, 9868335, 14088755, 17763003, 25359759, 29605005, 42266265, 76079277, 88815015, 126798795, 149340803, 380396385, 448022409, 746704015, 1344067227, 2240112045, 4032201681, 6720336135, 20161008405]

約数ペア:

[(1, 20161008405), (3, 6720336135), (5, 4032201681), (9, 2240112045), (15, 1344067227), (27, 746704015), (45, 448022409), (53, 380396385), (135, 149340803), (159, 126798795), (227, 88815015), (265, 76079277), (477, 42266265), (681, 29605005), (795, 25359759), (1135, 17763003), (1431, 14088755), (2043, 9868335), (2385, 8453253), (3405, 5921001), (6129, 3289445), (7155, 2817751), (10215, 1973667), (12031, 1675755), (12413, 1624185), (30645, 657889), (36093, 558585), (37239, 541395), (60155, 335151), (62065, 324837), (108279, 186195), (111717, 180465)]