81874443

素因数分解:

$3^1\times 7^3\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 128217600

約数和(自身を除く): 46343157

約数列:

[1, 3, 7, 21, 49, 147, 251, 317, 343, 753, 951, 1029, 1757, 2219, 5271, 6657, 12299, 15533, 36897, 46599, 79567, 86093, 108731, 238701, 258279, 326193, 556969, 1670907, 3898783, 11696349, 27291481, 81874443]

約数ペア:

[(1, 81874443), (3, 27291481), (7, 11696349), (21, 3898783), (49, 1670907), (147, 556969), (251, 326193), (317, 258279), (343, 238701), (753, 108731), (951, 86093), (1029, 79567), (1757, 46599), (2219, 36897), (5271, 15533), (6657, 12299)]