289493415

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 532200240

約数和(自身を除く): 242706825

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 89, 123, 129, 205, 215, 267, 369, 387, 445, 615, 645, 801, 1335, 1681, 1763, 1845, 1935, 3649, 3827, 4005, 5043, 5289, 8405, 8815, 10947, 11481, 15129, 15867, 18245, 19135, 25215, 26445, 32841, 34443, 54735, 57405, 72283, 75645, 79335, 149609, 156907, 164205, 172215, 216849, 361415, 448827, 470721, 650547, 748045, 784535, 1084245, 1346481, 1412163, 2244135, 2353605, 3252735, 6433187, 6732405, 7060815, 19299561, 32165935, 57898683, 96497805, 289493415]

約数ペア:

[(1, 289493415), (3, 96497805), (5, 57898683), (9, 32165935), (15, 19299561), (41, 7060815), (43, 6732405), (45, 6433187), (89, 3252735), (123, 2353605), (129, 2244135), (205, 1412163), (215, 1346481), (267, 1084245), (369, 784535), (387, 748045), (445, 650547), (615, 470721), (645, 448827), (801, 361415), (1335, 216849), (1681, 172215), (1763, 164205), (1845, 156907), (1935, 149609), (3649, 79335), (3827, 75645), (4005, 72283), (5043, 57405), (5289, 54735), (8405, 34443), (8815, 32841), (10947, 26445), (11481, 25215), (15129, 19135), (15867, 18245)]