172431

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 36

約数和(自身を含む): 320112

約数和(自身を除く): 147681

約数列:

[1, 3, 7, 9, 17, 21, 23, 49, 51, 63, 69, 119, 147, 153, 161, 207, 357, 391, 441, 483, 833, 1071, 1127, 1173, 1449, 2499, 2737, 3381, 3519, 7497, 8211, 10143, 19159, 24633, 57477, 172431]

約数ペア:

[(1, 172431), (3, 57477), (7, 24633), (9, 19159), (17, 10143), (21, 8211), (23, 7497), (49, 3519), (51, 3381), (63, 2737), (69, 2499), (119, 1449), (147, 1173), (153, 1127), (161, 1071), (207, 833), (357, 483), (391, 441)]