210819213

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 354585600

約数和(自身を除く): 143766387

約数列:

[1, 3, 9, 11, 27, 33, 53, 59, 99, 159, 177, 227, 297, 477, 531, 583, 649, 681, 1431, 1593, 1749, 1947, 2043, 2497, 3127, 5247, 5841, 6129, 7491, 9381, 12031, 13393, 15741, 17523, 22473, 28143, 34397, 36093, 40179, 67419, 84429, 103191, 108279, 120537, 132341, 147323, 309573, 324837, 361611, 397023, 441969, 709829, 928719, 1191069, 1325907, 2129487, 3573207, 3977721, 6388461, 7808119, 19165383, 23424357, 70273071, 210819213]

約数ペア:

[(1, 210819213), (3, 70273071), (9, 23424357), (11, 19165383), (27, 7808119), (33, 6388461), (53, 3977721), (59, 3573207), (99, 2129487), (159, 1325907), (177, 1191069), (227, 928719), (297, 709829), (477, 441969), (531, 397023), (583, 361611), (649, 324837), (681, 309573), (1431, 147323), (1593, 132341), (1749, 120537), (1947, 108279), (2043, 103191), (2497, 84429), (3127, 67419), (5247, 40179), (5841, 36093), (6129, 34397), (7491, 28143), (9381, 22473), (12031, 17523), (13393, 15741)]