80825619

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 45249261

約数列:

[1, 3, 7, 21, 71, 151, 213, 359, 453, 497, 1057, 1077, 1491, 2513, 3171, 7539, 10721, 25489, 32163, 54209, 75047, 76467, 162627, 178423, 225141, 379463, 535269, 1138389, 3848839, 11546517, 26941873, 80825619]

約数ペア:

[(1, 80825619), (3, 26941873), (7, 11546517), (21, 3848839), (71, 1138389), (151, 535269), (213, 379463), (359, 225141), (453, 178423), (497, 162627), (1057, 76467), (1077, 75047), (1491, 54209), (2513, 32163), (3171, 25489), (7539, 10721)]