168174909

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20071}}^1$

素因数の和:20110

約数の個数: 36

約数和(自身を含む): 297467040

約数和(自身を除く): 129292131

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 20071, 60213, 140497, 180639, 381349, 421491, 983479, 1144047, 1264473, 2669443, 2950437, 3432141, 8008329, 8851311, 18686101, 24024987, 56058303, 168174909]

約数ペア:

[(1, 168174909), (3, 56058303), (7, 24024987), (9, 18686101), (19, 8851311), (21, 8008329), (49, 3432141), (57, 2950437), (63, 2669443), (133, 1264473), (147, 1144047), (171, 983479), (399, 421491), (441, 381349), (931, 180639), (1197, 140497), (2793, 60213), (8379, 20071)]