31192371

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 60

約数和(自身を含む): 56279520

約数和(自身を除く): 25087149

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 189, 203, 261, 271, 441, 567, 609, 783, 813, 1323, 1421, 1827, 1897, 2349, 2439, 3969, 4263, 5481, 5691, 7317, 7859, 12789, 13279, 16443, 17073, 21951, 23577, 38367, 39837, 51219, 55013, 70731, 115101, 119511, 153657, 165039, 212193, 358533, 385091, 495117, 636579, 1075599, 1155273, 1485351, 3465819, 4456053, 10397457, 31192371]

約数ペア:

[(1, 31192371), (3, 10397457), (7, 4456053), (9, 3465819), (21, 1485351), (27, 1155273), (29, 1075599), (49, 636579), (63, 495117), (81, 385091), (87, 358533), (147, 212193), (189, 165039), (203, 153657), (261, 119511), (271, 115101), (441, 70731), (567, 55013), (609, 51219), (783, 39837), (813, 38367), (1323, 23577), (1421, 21951), (1827, 17073), (1897, 16443), (2349, 13279), (2439, 12789), (3969, 7859), (4263, 7317), (5481, 5691)]