80420217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 120528000

約数和(自身を除く): 40107783

約数列:

[1, 3, 17, 19, 51, 57, 149, 323, 447, 557, 969, 1671, 2533, 2831, 7599, 8493, 9469, 10583, 28407, 31749, 48127, 82993, 144381, 179911, 248979, 539733, 1410881, 1576867, 4232643, 4730601, 26806739, 80420217]

約数ペア:

[(1, 80420217), (3, 26806739), (17, 4730601), (19, 4232643), (51, 1576867), (57, 1410881), (149, 539733), (323, 248979), (447, 179911), (557, 144381), (969, 82993), (1671, 48127), (2533, 31749), (2831, 28407), (7599, 10583), (8493, 9469)]