199952487

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 360126000

約数和(自身を除く): 160173513

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 149, 153, 179, 357, 441, 447, 537, 833, 1043, 1071, 1253, 1341, 1611, 2499, 2533, 3043, 3129, 3759, 7301, 7497, 7599, 8771, 9129, 9387, 11277, 17731, 21301, 21903, 22797, 26313, 26671, 27387, 53193, 63903, 65709, 78939, 80013, 124117, 149107, 159579, 186697, 191709, 240039, 372351, 447321, 453407, 560091, 1117053, 1306879, 1341963, 1360221, 1680273, 3173849, 3920637, 4080663, 9521547, 11761911, 22216943, 28564641, 66650829, 199952487]

約数ペア:

[(1, 199952487), (3, 66650829), (7, 28564641), (9, 22216943), (17, 11761911), (21, 9521547), (49, 4080663), (51, 3920637), (63, 3173849), (119, 1680273), (147, 1360221), (149, 1341963), (153, 1306879), (179, 1117053), (357, 560091), (441, 453407), (447, 447321), (537, 372351), (833, 240039), (1043, 191709), (1071, 186697), (1253, 159579), (1341, 149107), (1611, 124117), (2499, 80013), (2533, 78939), (3043, 65709), (3129, 63903), (3759, 53193), (7301, 27387), (7497, 26671), (7599, 26313), (8771, 22797), (9129, 21903), (9387, 21301), (11277, 17731)]