80521371

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 146361600

約数和(自身を除く): 65840229

約数列:

[1, 3, 7, 9, 21, 27, 29, 59, 63, 81, 83, 87, 177, 189, 203, 249, 261, 413, 531, 567, 581, 609, 747, 783, 1239, 1593, 1711, 1743, 1827, 2241, 2349, 2407, 3717, 4779, 4897, 5133, 5229, 5481, 6723, 7221, 11151, 11977, 14691, 15399, 15687, 16443, 16849, 21663, 33453, 34279, 35931, 44073, 46197, 47061, 50547, 64989, 102837, 107793, 132219, 138591, 142013, 151641, 194967, 308511, 323379, 396657, 426039, 454923, 925533, 970137, 994091, 1278117, 1364769, 2776599, 2982273, 3834351, 8946819, 11503053, 26840457, 80521371]

約数ペア:

[(1, 80521371), (3, 26840457), (7, 11503053), (9, 8946819), (21, 3834351), (27, 2982273), (29, 2776599), (59, 1364769), (63, 1278117), (81, 994091), (83, 970137), (87, 925533), (177, 454923), (189, 426039), (203, 396657), (249, 323379), (261, 308511), (413, 194967), (531, 151641), (567, 142013), (581, 138591), (609, 132219), (747, 107793), (783, 102837), (1239, 64989), (1593, 50547), (1711, 47061), (1743, 46197), (1827, 44073), (2241, 35931), (2349, 34279), (2407, 33453), (3717, 21663), (4779, 16849), (4897, 16443), (5133, 15687), (5229, 15399), (5481, 14691), (6723, 11977), (7221, 11151)]