8161209

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 14304000

約数和(自身を除く): 6142791

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1489, 1827, 4467, 5481, 10423, 13401, 31269, 40203, 43181, 93807, 129543, 281421, 302267, 388629, 906801, 1165887, 2720403, 8161209]

約数ペア:

[(1, 8161209), (3, 2720403), (7, 1165887), (9, 906801), (21, 388629), (27, 302267), (29, 281421), (63, 129543), (87, 93807), (189, 43181), (203, 40203), (261, 31269), (609, 13401), (783, 10423), (1489, 5481), (1827, 4467)]