40147821

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 69741568

約数和(自身を除く): 29593747

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 279, 337, 427, 549, 651, 1011, 1281, 1891, 1953, 2359, 3033, 3843, 5673, 7077, 10447, 13237, 17019, 20557, 21231, 31341, 39711, 61671, 73129, 94023, 119133, 143899, 185013, 219387, 431697, 637267, 658161, 1295091, 1911801, 4460869, 5735403, 13382607, 40147821]

約数ペア:

[(1, 40147821), (3, 13382607), (7, 5735403), (9, 4460869), (21, 1911801), (31, 1295091), (61, 658161), (63, 637267), (93, 431697), (183, 219387), (217, 185013), (279, 143899), (337, 119133), (427, 94023), (549, 73129), (651, 61671), (1011, 39711), (1281, 31341), (1891, 21231), (1953, 20557), (2359, 17019), (3033, 13237), (3843, 10447), (5673, 7077)]