90255555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 178319232

約数和(自身を除く): 88063677

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 53, 65, 71, 117, 123, 159, 195, 205, 213, 265, 355, 369, 477, 533, 585, 615, 639, 689, 795, 923, 1065, 1599, 1845, 2067, 2173, 2385, 2665, 2769, 2911, 3195, 3445, 3763, 4615, 4797, 6201, 6519, 7995, 8307, 8733, 10335, 10865, 11289, 13845, 14555, 18815, 19557, 23985, 26199, 28249, 31005, 32595, 33867, 37843, 41535, 43665, 48919, 56445, 84747, 97785, 113529, 130995, 141245, 146757, 154283, 169335, 189215, 244595, 254241, 340587, 423735, 440271, 462849, 567645, 733785, 771415, 1271205, 1388547, 1702935, 2005679, 2201355, 2314245, 6017037, 6942735, 10028395, 18051111, 30085185, 90255555]

約数ペア:

[(1, 90255555), (3, 30085185), (5, 18051111), (9, 10028395), (13, 6942735), (15, 6017037), (39, 2314245), (41, 2201355), (45, 2005679), (53, 1702935), (65, 1388547), (71, 1271205), (117, 771415), (123, 733785), (159, 567645), (195, 462849), (205, 440271), (213, 423735), (265, 340587), (355, 254241), (369, 244595), (477, 189215), (533, 169335), (585, 154283), (615, 146757), (639, 141245), (689, 130995), (795, 113529), (923, 97785), (1065, 84747), (1599, 56445), (1845, 48919), (2067, 43665), (2173, 41535), (2385, 37843), (2665, 33867), (2769, 32595), (2911, 31005), (3195, 28249), (3445, 26199), (3763, 23985), (4615, 19557), (4797, 18815), (6201, 14555), (6519, 13845), (7995, 11289), (8307, 10865), (8733, 10335)]