201913173

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 374531040

約数和(自身を除く): 172617867

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 107, 147, 231, 321, 389, 441, 539, 693, 749, 963, 1167, 1177, 1617, 2247, 2723, 3501, 3531, 4279, 4851, 5243, 6741, 8169, 8239, 10593, 12837, 15729, 19061, 24507, 24717, 29953, 38511, 41623, 47187, 57183, 57673, 74151, 89859, 124869, 171549, 173019, 209671, 269577, 291361, 374607, 457853, 519057, 629013, 874083, 1373559, 1887039, 2039527, 2622249, 3204971, 4120677, 6118581, 9614913, 18355743, 22434797, 28844739, 67304391, 201913173]

約数ペア:

[(1, 201913173), (3, 67304391), (7, 28844739), (9, 22434797), (11, 18355743), (21, 9614913), (33, 6118581), (49, 4120677), (63, 3204971), (77, 2622249), (99, 2039527), (107, 1887039), (147, 1373559), (231, 874083), (321, 629013), (389, 519057), (441, 457853), (539, 374607), (693, 291361), (749, 269577), (963, 209671), (1167, 173019), (1177, 171549), (1617, 124869), (2247, 89859), (2723, 74151), (3501, 57673), (3531, 57183), (4279, 47187), (4851, 41623), (5243, 38511), (6741, 29953), (8169, 24717), (8239, 24507), (10593, 19061), (12837, 15729)]