197990163

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12041}}^1$

素因数の和:12089

約数の個数: 40

約数和(自身を含む): 349699680

約数和(自身を除く): 151709517

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 12041, 16443, 36123, 84287, 108369, 252861, 325107, 349189, 758583, 975321, 1047567, 2275749, 2444323, 3142701, 6827247, 7332969, 9428103, 21998907, 28284309, 65996721, 197990163]

約数ペア:

[(1, 197990163), (3, 65996721), (7, 28284309), (9, 21998907), (21, 9428103), (27, 7332969), (29, 6827247), (63, 3142701), (81, 2444323), (87, 2275749), (189, 1047567), (203, 975321), (261, 758583), (567, 349189), (609, 325107), (783, 252861), (1827, 108369), (2349, 84287), (5481, 36123), (12041, 16443)]