71520351

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 120931200

約数和(自身を除く): 49410849

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 399, 551, 609, 883, 931, 1421, 1653, 2649, 2793, 3857, 4263, 6181, 11571, 16777, 18543, 25607, 26999, 43267, 50331, 76821, 80997, 117439, 129801, 179249, 352317, 486533, 537747, 822073, 1254743, 1459599, 2466219, 3405731, 3764229, 10217193, 23840117, 71520351]

約数ペア:

[(1, 71520351), (3, 23840117), (7, 10217193), (19, 3764229), (21, 3405731), (29, 2466219), (49, 1459599), (57, 1254743), (87, 822073), (133, 537747), (147, 486533), (203, 352317), (399, 179249), (551, 129801), (609, 117439), (883, 80997), (931, 76821), (1421, 50331), (1653, 43267), (2649, 26999), (2793, 25607), (3857, 18543), (4263, 16777), (6181, 11571)]