1284998001

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3049}}^1$

素因数の和:3174

約数の個数: 48

約数和(自身を含む): 2069510400

約数和(自身を除く): 784512399

約数列:

[1, 3, 7, 21, 47, 49, 61, 141, 147, 183, 329, 427, 987, 1281, 2303, 2867, 2989, 3049, 6909, 8601, 8967, 9147, 20069, 21343, 60207, 64029, 140483, 143303, 149401, 185989, 421449, 429909, 448203, 557967, 1003121, 1301923, 3009363, 3905769, 7021847, 8741483, 9113461, 21065541, 26224449, 27340383, 61190381, 183571143, 428332667, 1284998001]

約数ペア:

[(1, 1284998001), (3, 428332667), (7, 183571143), (21, 61190381), (47, 27340383), (49, 26224449), (61, 21065541), (141, 9113461), (147, 8741483), (183, 7021847), (329, 3905769), (427, 3009363), (987, 1301923), (1281, 1003121), (2303, 557967), (2867, 448203), (2989, 429909), (3049, 421449), (6909, 185989), (8601, 149401), (8967, 143303), (9147, 140483), (20069, 64029), (21343, 60207)]