131738457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 205450560

約数和(自身を除く): 73712103

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 257, 323, 391, 437, 529, 771, 969, 1173, 1311, 1587, 4369, 4883, 5911, 7429, 8993, 10051, 13107, 14649, 17733, 22287, 26979, 30153, 83011, 100487, 112309, 135953, 170867, 249033, 301461, 336927, 407859, 512601, 1909253, 2311201, 2583107, 5727759, 6933603, 7749321, 43912819, 131738457]

約数ペア:

[(1, 131738457), (3, 43912819), (17, 7749321), (19, 6933603), (23, 5727759), (51, 2583107), (57, 2311201), (69, 1909253), (257, 512601), (323, 407859), (391, 336927), (437, 301461), (529, 249033), (771, 170867), (969, 135953), (1173, 112309), (1311, 100487), (1587, 83011), (4369, 30153), (4883, 26979), (5911, 22287), (7429, 17733), (8993, 14649), (10051, 13107)]