81964461

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 36230739

約数列:

[1, 3, 19, 57, 89, 107, 151, 267, 321, 453, 1691, 2033, 2869, 5073, 6099, 8607, 9523, 13439, 16157, 28569, 40317, 48471, 180937, 255341, 306983, 542811, 766023, 920949, 1437973, 4313919, 27321487, 81964461]

約数ペア:

[(1, 81964461), (3, 27321487), (19, 4313919), (57, 1437973), (89, 920949), (107, 766023), (151, 542811), (267, 306983), (321, 255341), (453, 180937), (1691, 48471), (2033, 40317), (2869, 28569), (5073, 16157), (6099, 13439), (8607, 9523)]