219451809

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 312606720

約数和(自身を除く): 93154911

約数列:

[1, 3, 23, 69, 79, 127, 237, 317, 381, 951, 1817, 2921, 5451, 7291, 8763, 10033, 21873, 25043, 30099, 40259, 75129, 120777, 230759, 575989, 692277, 925957, 1727967, 2777871, 3180461, 9541383, 73150603, 219451809]

約数ペア:

[(1, 219451809), (3, 73150603), (23, 9541383), (69, 3180461), (79, 2777871), (127, 1727967), (237, 925957), (317, 692277), (381, 575989), (951, 230759), (1817, 120777), (2921, 75129), (5451, 40259), (7291, 30099), (8763, 25043), (10033, 21873)]