81313974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1283}}^1$

素因数の和:1801

約数の個数: 48

約数和(自身を含む): 201906432

約数和(自身を除く): 120592458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 503, 1006, 1283, 1509, 2566, 3018, 3521, 3849, 4527, 7042, 7698, 8981, 9054, 10563, 11547, 17962, 21126, 23094, 26943, 31689, 53886, 63378, 80829, 161658, 645349, 1290698, 1936047, 3872094, 4517443, 5808141, 9034886, 11616282, 13552329, 27104658, 40656987, 81313974]

約数ペア:

[(1, 81313974), (2, 40656987), (3, 27104658), (6, 13552329), (7, 11616282), (9, 9034886), (14, 5808141), (18, 4517443), (21, 3872094), (42, 1936047), (63, 1290698), (126, 645349), (503, 161658), (1006, 80829), (1283, 63378), (1509, 53886), (2566, 31689), (3018, 26943), (3521, 23094), (3849, 21126), (4527, 17962), (7042, 11547), (7698, 10563), (8981, 9054)]