320996907

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2477}}^1$

素因数の和:2529

約数の個数: 72

約数和(自身を含む): 616962528

約数和(自身を除く): 295965621

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 153, 187, 231, 357, 363, 561, 693, 847, 1071, 1089, 1309, 1683, 2057, 2477, 2541, 3927, 6171, 7431, 7623, 11781, 14399, 17339, 18513, 22293, 27247, 42109, 43197, 52017, 81741, 126327, 129591, 156051, 190729, 245223, 294763, 299717, 378981, 463199, 572187, 884289, 899151, 1389597, 1716561, 2098019, 2652867, 2697453, 3242393, 4168791, 5095189, 6294057, 9727179, 15285567, 18882171, 29181537, 35666323, 45856701, 106998969, 320996907]

約数ペア:

[(1, 320996907), (3, 106998969), (7, 45856701), (9, 35666323), (11, 29181537), (17, 18882171), (21, 15285567), (33, 9727179), (51, 6294057), (63, 5095189), (77, 4168791), (99, 3242393), (119, 2697453), (121, 2652867), (153, 2098019), (187, 1716561), (231, 1389597), (357, 899151), (363, 884289), (561, 572187), (693, 463199), (847, 378981), (1071, 299717), (1089, 294763), (1309, 245223), (1683, 190729), (2057, 156051), (2477, 129591), (2541, 126327), (3927, 81741), (6171, 52017), (7431, 43197), (7623, 42109), (11781, 27247), (14399, 22293), (17339, 18513)]