215172972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{883}}^1\times {\mathrm{967}}^1$

素因数の和:1867

約数の個数: 72

約数和(自身を含む): 622958336

約数和(自身を除く): 407785364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 883, 967, 1766, 1934, 2649, 2901, 3532, 3868, 5298, 5802, 6181, 6769, 7947, 8703, 10596, 11604, 12362, 13538, 15894, 17406, 18543, 20307, 24724, 27076, 31788, 34812, 37086, 40614, 55629, 60921, 74172, 81228, 111258, 121842, 222516, 243684, 853861, 1707722, 2561583, 3415444, 5123166, 5977027, 7684749, 10246332, 11954054, 15369498, 17931081, 23908108, 30738996, 35862162, 53793243, 71724324, 107586486, 215172972]

約数ペア:

[(1, 215172972), (2, 107586486), (3, 71724324), (4, 53793243), (6, 35862162), (7, 30738996), (9, 23908108), (12, 17931081), (14, 15369498), (18, 11954054), (21, 10246332), (28, 7684749), (36, 5977027), (42, 5123166), (63, 3415444), (84, 2561583), (126, 1707722), (252, 853861), (883, 243684), (967, 222516), (1766, 121842), (1934, 111258), (2649, 81228), (2901, 74172), (3532, 60921), (3868, 55629), (5298, 40614), (5802, 37086), (6181, 34812), (6769, 31788), (7947, 27076), (8703, 24724), (10596, 20307), (11604, 18543), (12362, 17406), (13538, 15894)]