81618963

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 34502637

約数列:

[1, 3, 29, 83, 87, 89, 127, 249, 267, 381, 2407, 2581, 3683, 7221, 7387, 7743, 10541, 11049, 11303, 22161, 31623, 33909, 214223, 305689, 327787, 642669, 917067, 938149, 983361, 2814447, 27206321, 81618963]

約数ペア:

[(1, 81618963), (3, 27206321), (29, 2814447), (83, 983361), (87, 938149), (89, 917067), (127, 642669), (249, 327787), (267, 305689), (381, 214223), (2407, 33909), (2581, 31623), (3683, 22161), (7221, 11303), (7387, 11049), (7743, 10541)]