81900388038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1950009239}}^1$

素因数の和:1950009251

約数の個数: 16

約数和(自身を含む): 187200887040

約数和(自身を除く): 105300499002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1950009239, 3900018478, 5850027717, 11700055434, 13650064673, 27300129346, 40950194019, 81900388038]

約数ペア:

[(1, 81900388038), (2, 40950194019), (3, 27300129346), (6, 13650064673), (7, 11700055434), (14, 5850027717), (21, 3900018478), (42, 1950009239)]