61661859

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 103737600

約数和(自身を除く): 42075741

約数列:

[1, 3, 7, 19, 21, 29, 57, 73, 87, 133, 203, 219, 399, 511, 551, 609, 1387, 1533, 1653, 2117, 3857, 4161, 5329, 6351, 9709, 11571, 14819, 15987, 29127, 37303, 40223, 44457, 101251, 111909, 120669, 154541, 281561, 303753, 463623, 708757, 844683, 1081787, 2126271, 2936279, 3245361, 8808837, 20553953, 61661859]

約数ペア:

[(1, 61661859), (3, 20553953), (7, 8808837), (19, 3245361), (21, 2936279), (29, 2126271), (57, 1081787), (73, 844683), (87, 708757), (133, 463623), (203, 303753), (219, 281561), (399, 154541), (511, 120669), (551, 111909), (609, 101251), (1387, 44457), (1533, 40223), (1653, 37303), (2117, 29127), (3857, 15987), (4161, 14819), (5329, 11571), (6351, 9709)]