71939301

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 120384000

約数和(自身を除く): 48444699

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 301, 399, 599, 817, 903, 931, 1797, 2107, 2451, 2793, 4193, 5719, 6321, 11381, 12579, 17157, 25757, 29351, 34143, 40033, 77271, 79667, 88053, 120099, 180299, 239001, 489383, 540897, 557669, 1262093, 1468149, 1673007, 3425681, 3786279, 10277043, 23979767, 71939301]

約数ペア:

[(1, 71939301), (3, 23979767), (7, 10277043), (19, 3786279), (21, 3425681), (43, 1673007), (49, 1468149), (57, 1262093), (129, 557669), (133, 540897), (147, 489383), (301, 239001), (399, 180299), (599, 120099), (817, 88053), (903, 79667), (931, 77271), (1797, 40033), (2107, 34143), (2451, 29351), (2793, 25757), (4193, 17157), (5719, 12579), (6321, 11381)]