127738653

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 205670400

約数和(自身を除く): 77931747

約数列:

[1, 3, 7, 19, 21, 57, 133, 389, 399, 823, 1167, 2469, 2723, 5761, 7391, 8169, 15637, 17283, 22173, 46911, 51737, 109459, 155211, 320147, 328377, 960441, 2241029, 6082793, 6723087, 18248379, 42579551, 127738653]

約数ペア:

[(1, 127738653), (3, 42579551), (7, 18248379), (19, 6723087), (21, 6082793), (57, 2241029), (133, 960441), (389, 328377), (399, 320147), (823, 155211), (1167, 109459), (2469, 51737), (2723, 46911), (5761, 22173), (7391, 17283), (8169, 15637)]