18147051

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 30129120

約数和(自身を除く): 11982069

約数列:

[1, 3, 9, 13, 27, 39, 41, 97, 117, 123, 169, 291, 351, 369, 507, 533, 873, 1107, 1261, 1521, 1599, 2619, 3783, 3977, 4563, 4797, 6929, 11349, 11931, 14391, 16393, 20787, 34047, 35793, 49179, 51701, 62361, 107379, 147537, 155103, 187083, 442611, 465309, 672113, 1395927, 2016339, 6049017, 18147051]

約数ペア:

[(1, 18147051), (3, 6049017), (9, 2016339), (13, 1395927), (27, 672113), (39, 465309), (41, 442611), (97, 187083), (117, 155103), (123, 147537), (169, 107379), (291, 62361), (351, 51701), (369, 49179), (507, 35793), (533, 34047), (873, 20787), (1107, 16393), (1261, 14391), (1521, 11931), (1599, 11349), (2619, 6929), (3783, 4797), (3977, 4563)]