81470718

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215531}}^1$

素因数の和:215549

約数の個数: 32

約数和(自身を含む): 206910720

約数和(自身を除く): 125440002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215531, 431062, 646593, 1293186, 1508717, 1939779, 3017434, 3879558, 4526151, 5819337, 9052302, 11638674, 13578453, 27156906, 40735359, 81470718]

約数ペア:

[(1, 81470718), (2, 40735359), (3, 27156906), (6, 13578453), (7, 11638674), (9, 9052302), (14, 5819337), (18, 4526151), (21, 3879558), (27, 3017434), (42, 1939779), (54, 1508717), (63, 1293186), (126, 646593), (189, 431062), (378, 215531)]