215694

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 24

約数和(自身を含む): 488592

約数和(自身を除く): 272898

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 521, 1042, 1563, 3126, 4689, 9378, 11983, 23966, 35949, 71898, 107847, 215694]

約数ペア:

[(1, 215694), (2, 107847), (3, 71898), (6, 35949), (9, 23966), (18, 11983), (23, 9378), (46, 4689), (69, 3126), (138, 1563), (207, 1042), (414, 521)]