289849329

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 537788160

約数和(自身を除く): 247938831

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 121, 141, 231, 329, 363, 423, 517, 693, 809, 847, 987, 1089, 1551, 2427, 2541, 2961, 3619, 4653, 5663, 5687, 7281, 7623, 8899, 10857, 16989, 17061, 26697, 32571, 38023, 39809, 50967, 51183, 62293, 80091, 97889, 114069, 119427, 186879, 266161, 293667, 342207, 358281, 418253, 560637, 685223, 798483, 881001, 1254759, 2055669, 2395449, 2927771, 3764277, 4600783, 6167007, 8783313, 13802349, 26349939, 32205481, 41407047, 96616443, 289849329]

約数ペア:

[(1, 289849329), (3, 96616443), (7, 41407047), (9, 32205481), (11, 26349939), (21, 13802349), (33, 8783313), (47, 6167007), (63, 4600783), (77, 3764277), (99, 2927771), (121, 2395449), (141, 2055669), (231, 1254759), (329, 881001), (363, 798483), (423, 685223), (517, 560637), (693, 418253), (809, 358281), (847, 342207), (987, 293667), (1089, 266161), (1551, 186879), (2427, 119427), (2541, 114069), (2961, 97889), (3619, 80091), (4653, 62293), (5663, 51183), (5687, 50967), (7281, 39809), (7623, 38023), (8899, 32571), (10857, 26697), (16989, 17061)]