217419477

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5309}}^1$

素因数の和:5413

約数の個数: 32

約数和(自身を含む): 339500160

約数和(自身を除く): 122080683

約数列:

[1, 3, 11, 17, 33, 51, 73, 187, 219, 561, 803, 1241, 2409, 3723, 5309, 13651, 15927, 40953, 58399, 90253, 175197, 270759, 387557, 992783, 1162671, 2978349, 4263127, 6588469, 12789381, 19765407, 72473159, 217419477]

約数ペア:

[(1, 217419477), (3, 72473159), (11, 19765407), (17, 12789381), (33, 6588469), (51, 4263127), (73, 2978349), (187, 1162671), (219, 992783), (561, 387557), (803, 270759), (1241, 175197), (2409, 90253), (3723, 58399), (5309, 40953), (13651, 15927)]