142443

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 36

約数和(自身を含む): 266760

約数和(自身を除く): 124317

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 171, 323, 357, 399, 441, 833, 931, 969, 1071, 1197, 2261, 2499, 2793, 2907, 6783, 7497, 8379, 15827, 20349, 47481, 142443]

約数ペア:

[(1, 142443), (3, 47481), (7, 20349), (9, 15827), (17, 8379), (19, 7497), (21, 6783), (49, 2907), (51, 2793), (57, 2499), (63, 2261), (119, 1197), (133, 1071), (147, 969), (153, 931), (171, 833), (323, 441), (357, 399)]