81317538

素因数分解:

$2^1\times 3^2\times {\mathrm{1699}}^1\times {\mathrm{2659}}^1$

素因数の和:4366

約数の個数: 24

約数和(自身を含む): 176358000

約数和(自身を除く): 95040462

約数列:

[1, 2, 3, 6, 9, 18, 1699, 2659, 3398, 5097, 5318, 7977, 10194, 15291, 15954, 23931, 30582, 47862, 4517641, 9035282, 13552923, 27105846, 40658769, 81317538]

約数ペア:

[(1, 81317538), (2, 40658769), (3, 27105846), (6, 13552923), (9, 9035282), (18, 4517641), (1699, 47862), (2659, 30582), (3398, 23931), (5097, 15954), (5318, 15291), (7977, 10194)]