31356801

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 55408320

約数和(自身を除く): 24051519

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 1907, 2349, 5481, 5721, 13349, 16443, 17163, 40047, 51489, 55303, 120141, 154467, 165909, 360423, 387121, 497727, 1081269, 1161363, 1493181, 3484089, 4479543, 10452267, 31356801]

約数ペア:

[(1, 31356801), (3, 10452267), (7, 4479543), (9, 3484089), (21, 1493181), (27, 1161363), (29, 1081269), (63, 497727), (81, 387121), (87, 360423), (189, 165909), (203, 154467), (261, 120141), (567, 55303), (609, 51489), (783, 40047), (1827, 17163), (1907, 16443), (2349, 13349), (5481, 5721)]