280418859

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2447}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 494926848

約数和(自身を除く): 214507989

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 107, 119, 153, 321, 357, 749, 963, 1071, 1819, 2247, 2447, 5457, 6741, 7341, 12733, 16371, 17129, 22023, 38199, 41599, 51387, 114597, 124797, 154161, 261829, 291193, 374391, 785487, 873579, 1832803, 2356461, 2620737, 4451093, 5498409, 13353279, 16495227, 31157651, 40059837, 93472953, 280418859]

約数ペア:

[(1, 280418859), (3, 93472953), (7, 40059837), (9, 31157651), (17, 16495227), (21, 13353279), (51, 5498409), (63, 4451093), (107, 2620737), (119, 2356461), (153, 1832803), (321, 873579), (357, 785487), (749, 374391), (963, 291193), (1071, 261829), (1819, 154161), (2247, 124797), (2447, 114597), (5457, 51387), (6741, 41599), (7341, 38199), (12733, 22023), (16371, 17129)]