215982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 36

約数和(自身を含む): 513864

約数和(自身を除く): 297882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 169, 213, 234, 338, 426, 507, 639, 923, 1014, 1278, 1521, 1846, 2769, 3042, 5538, 8307, 11999, 16614, 23998, 35997, 71994, 107991, 215982]

約数ペア:

[(1, 215982), (2, 107991), (3, 71994), (6, 35997), (9, 23998), (13, 16614), (18, 11999), (26, 8307), (39, 5538), (71, 3042), (78, 2769), (117, 1846), (142, 1521), (169, 1278), (213, 1014), (234, 923), (338, 639), (426, 507)]