816331347

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 1367905968

約数和(自身を除く): 551574621

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 131, 153, 169, 221, 241, 393, 507, 663, 723, 1179, 1521, 1703, 1989, 2169, 2227, 2873, 3133, 4097, 5109, 6681, 8619, 9399, 12291, 15327, 20043, 22139, 25857, 28197, 28951, 31571, 36873, 40729, 53261, 66417, 86853, 94713, 122187, 159783, 199251, 260559, 284139, 366561, 376363, 410423, 479349, 536707, 692393, 1129089, 1231269, 1610121, 2077179, 3387267, 3693807, 4830363, 5335499, 6231537, 6977191, 16006497, 20931573, 48019491, 62794719, 90703483, 272110449, 816331347]

約数ペア:

[(1, 816331347), (3, 272110449), (9, 90703483), (13, 62794719), (17, 48019491), (39, 20931573), (51, 16006497), (117, 6977191), (131, 6231537), (153, 5335499), (169, 4830363), (221, 3693807), (241, 3387267), (393, 2077179), (507, 1610121), (663, 1231269), (723, 1129089), (1179, 692393), (1521, 536707), (1703, 479349), (1989, 410423), (2169, 376363), (2227, 366561), (2873, 284139), (3133, 260559), (4097, 199251), (5109, 159783), (6681, 122187), (8619, 94713), (9399, 86853), (12291, 66417), (15327, 53261), (20043, 40729), (22139, 36873), (25857, 31571), (28197, 28951)]