143551821

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 237120000

約数和(自身を除く): 93568179

約数列:

[1, 3, 7, 19, 21, 49, 57, 103, 133, 147, 309, 399, 499, 721, 931, 1497, 1957, 2163, 2793, 3493, 5047, 5871, 9481, 10479, 13699, 15141, 24451, 28443, 41097, 51397, 66367, 73353, 95893, 154191, 199101, 287679, 359779, 464569, 976543, 1079337, 1393707, 2518453, 2929629, 6835801, 7555359, 20507403, 47850607, 143551821]

約数ペア:

[(1, 143551821), (3, 47850607), (7, 20507403), (19, 7555359), (21, 6835801), (49, 2929629), (57, 2518453), (103, 1393707), (133, 1079337), (147, 976543), (309, 464569), (399, 359779), (499, 287679), (721, 199101), (931, 154191), (1497, 95893), (1957, 73353), (2163, 66367), (2793, 51397), (3493, 41097), (5047, 28443), (5871, 24451), (9481, 15141), (10479, 13699)]