245730303

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1987}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 439968256

約数和(自身を除く): 194237953

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 273, 453, 819, 1057, 1359, 1963, 1987, 3171, 5889, 5961, 9513, 13741, 13909, 17667, 17883, 25831, 41223, 41727, 77493, 123669, 125181, 180817, 232479, 300037, 542451, 900111, 1627353, 2100259, 2700333, 3900481, 6300777, 11701443, 18902331, 27303367, 35104329, 81910101, 245730303]

約数ペア:

[(1, 245730303), (3, 81910101), (7, 35104329), (9, 27303367), (13, 18902331), (21, 11701443), (39, 6300777), (63, 3900481), (91, 2700333), (117, 2100259), (151, 1627353), (273, 900111), (453, 542451), (819, 300037), (1057, 232479), (1359, 180817), (1963, 125181), (1987, 123669), (3171, 77493), (5889, 41727), (5961, 41223), (9513, 25831), (13741, 17883), (13909, 17667)]