206814321

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 363108096

約数和(自身を除く): 156293775

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 371, 477, 483, 1113, 1219, 1449, 2693, 3339, 3657, 8079, 8533, 10971, 18851, 24237, 25599, 56553, 61939, 76797, 142729, 169659, 185817, 428187, 433573, 557451, 999103, 1284561, 1300719, 2997309, 3282767, 3902157, 8991927, 9848301, 22979369, 29544903, 68938107, 206814321]

約数ペア:

[(1, 206814321), (3, 68938107), (7, 29544903), (9, 22979369), (21, 9848301), (23, 8991927), (53, 3902157), (63, 3282767), (69, 2997309), (159, 1300719), (161, 1284561), (207, 999103), (371, 557451), (477, 433573), (483, 428187), (1113, 185817), (1219, 169659), (1449, 142729), (2693, 76797), (3339, 61939), (3657, 56553), (8079, 25599), (8533, 24237), (10971, 18851)]