289377585

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 586872000

約数和(自身を除く): 297494415

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 263, 315, 441, 499, 735, 789, 1315, 1497, 1841, 2205, 2367, 2495, 3493, 3945, 4491, 5523, 7485, 9205, 10479, 11835, 12887, 16569, 17465, 22455, 24451, 27615, 31437, 38661, 52395, 64435, 73353, 82845, 115983, 122255, 131237, 157185, 193305, 220059, 366765, 393711, 579915, 656185, 918659, 1100295, 1181133, 1968555, 2755977, 4593295, 5905665, 6430613, 8267931, 13779885, 19291839, 32153065, 41339655, 57875517, 96459195, 289377585]

約数ペア:

[(1, 289377585), (3, 96459195), (5, 57875517), (7, 41339655), (9, 32153065), (15, 19291839), (21, 13779885), (35, 8267931), (45, 6430613), (49, 5905665), (63, 4593295), (105, 2755977), (147, 1968555), (245, 1181133), (263, 1100295), (315, 918659), (441, 656185), (499, 579915), (735, 393711), (789, 366765), (1315, 220059), (1497, 193305), (1841, 157185), (2205, 131237), (2367, 122255), (2495, 115983), (3493, 82845), (3945, 73353), (4491, 64435), (5523, 52395), (7485, 38661), (9205, 31437), (10479, 27615), (11835, 24451), (12887, 22455), (16569, 17465)]