207813753

素因数分解:

$3^2\times 7^4\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 358303920

約数和(自身を除く): 150490167

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 163, 177, 343, 413, 441, 489, 531, 1029, 1141, 1239, 1467, 2401, 2891, 3087, 3423, 3717, 7203, 7987, 8673, 9617, 10269, 20237, 21609, 23961, 26019, 28851, 55909, 60711, 67319, 71883, 86553, 141659, 167727, 182133, 201957, 391363, 424977, 471233, 503181, 605871, 1174089, 1274931, 1413699, 3298631, 3522267, 4241097, 9895893, 23090417, 29687679, 69271251, 207813753]

約数ペア:

[(1, 207813753), (3, 69271251), (7, 29687679), (9, 23090417), (21, 9895893), (49, 4241097), (59, 3522267), (63, 3298631), (147, 1413699), (163, 1274931), (177, 1174089), (343, 605871), (413, 503181), (441, 471233), (489, 424977), (531, 391363), (1029, 201957), (1141, 182133), (1239, 167727), (1467, 141659), (2401, 86553), (2891, 71883), (3087, 67319), (3423, 60711), (3717, 55909), (7203, 28851), (7987, 26019), (8673, 23961), (9617, 21609), (10269, 20237)]