51321501

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 93450240

約数和(自身を除く): 42128739

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 309, 693, 719, 721, 927, 1133, 2157, 2163, 3399, 5033, 6471, 6489, 7909, 7931, 10197, 15099, 23727, 23793, 45297, 55363, 71181, 71379, 74057, 166089, 222171, 498267, 518399, 666513, 814627, 1555197, 2443881, 4665591, 5702389, 7331643, 17107167, 51321501]

約数ペア:

[(1, 51321501), (3, 17107167), (7, 7331643), (9, 5702389), (11, 4665591), (21, 2443881), (33, 1555197), (63, 814627), (77, 666513), (99, 518399), (103, 498267), (231, 222171), (309, 166089), (693, 74057), (719, 71379), (721, 71181), (927, 55363), (1133, 45297), (2157, 23793), (2163, 23727), (3399, 15099), (5033, 10197), (6471, 7931), (6489, 7909)]