64656753

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 104586240

約数和(自身を除く): 39929487

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 1237, 2489, 2751, 3711, 7467, 8659, 17423, 23503, 25977, 52269, 70509, 162047, 164521, 486141, 493563, 1134329, 3078893, 3402987, 9236679, 21552251, 64656753]

約数ペア:

[(1, 64656753), (3, 21552251), (7, 9236679), (19, 3402987), (21, 3078893), (57, 1134329), (131, 493563), (133, 486141), (393, 164521), (399, 162047), (917, 70509), (1237, 52269), (2489, 25977), (2751, 23503), (3711, 17423), (7467, 8659)]