193987359

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 324172800

約数和(自身を除く): 130185441

約数列:

[1, 3, 9, 19, 23, 27, 41, 57, 69, 123, 171, 207, 369, 401, 437, 513, 621, 779, 943, 1107, 1203, 1311, 2337, 2829, 3609, 3933, 7011, 7619, 8487, 9223, 10827, 11799, 16441, 17917, 21033, 22857, 25461, 27669, 49323, 53751, 68571, 83007, 147969, 161253, 175237, 205713, 249021, 312379, 378143, 443907, 483759, 525711, 937137, 1134429, 1577133, 2811411, 3403287, 4731399, 7184717, 8434233, 10209861, 21554151, 64662453, 193987359]

約数ペア:

[(1, 193987359), (3, 64662453), (9, 21554151), (19, 10209861), (23, 8434233), (27, 7184717), (41, 4731399), (57, 3403287), (69, 2811411), (123, 1577133), (171, 1134429), (207, 937137), (369, 525711), (401, 483759), (437, 443907), (513, 378143), (621, 312379), (779, 249021), (943, 205713), (1107, 175237), (1203, 161253), (1311, 147969), (2337, 83007), (2829, 68571), (3609, 53751), (3933, 49323), (7011, 27669), (7619, 25461), (8487, 22857), (9223, 21033), (10827, 17917), (11799, 16441)]