2018902545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{599}}^1\times {\mathrm{619}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 3859128000

約数和(自身を除く): 1840225455

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 599, 605, 619, 1089, 1797, 1815, 1857, 2995, 3095, 5391, 5445, 5571, 6589, 6809, 8985, 9285, 19767, 20427, 26955, 27855, 32945, 34045, 59301, 61281, 72479, 74899, 98835, 102135, 217437, 224697, 296505, 306405, 362395, 370781, 374495, 652311, 674091, 1087185, 1112343, 1123485, 1853905, 3261555, 3337029, 3370455, 4078591, 5561715, 12235773, 16685145, 20392955, 36707319, 44864501, 61178865, 134593503, 183536595, 224322505, 403780509, 672967515, 2018902545]

約数ペア:

[(1, 2018902545), (3, 672967515), (5, 403780509), (9, 224322505), (11, 183536595), (15, 134593503), (33, 61178865), (45, 44864501), (55, 36707319), (99, 20392955), (121, 16685145), (165, 12235773), (363, 5561715), (495, 4078591), (599, 3370455), (605, 3337029), (619, 3261555), (1089, 1853905), (1797, 1123485), (1815, 1112343), (1857, 1087185), (2995, 674091), (3095, 652311), (5391, 374495), (5445, 370781), (5571, 362395), (6589, 306405), (6809, 296505), (8985, 224697), (9285, 217437), (19767, 102135), (20427, 98835), (26955, 74899), (27855, 72479), (32945, 61281), (34045, 59301)]