209971107

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 328030560

約数和(自身を除く): 118059453

約数列:

[1, 3, 9, 29, 43, 53, 87, 129, 159, 261, 353, 387, 477, 1059, 1247, 1537, 2279, 3177, 3741, 4611, 6837, 10237, 11223, 13833, 15179, 18709, 20511, 30711, 45537, 56127, 66091, 92133, 136611, 168381, 198273, 440191, 542561, 594819, 804487, 1320573, 1627683, 2413461, 3961719, 4883049, 7240383, 23330123, 69990369, 209971107]

約数ペア:

[(1, 209971107), (3, 69990369), (9, 23330123), (29, 7240383), (43, 4883049), (53, 3961719), (87, 2413461), (129, 1627683), (159, 1320573), (261, 804487), (353, 594819), (387, 542561), (477, 440191), (1059, 198273), (1247, 168381), (1537, 136611), (2279, 92133), (3177, 66091), (3741, 56127), (4611, 45537), (6837, 30711), (10237, 20511), (11223, 18709), (13833, 15179)]