220131219

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2879}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 367165440

約数和(自身を除く): 147034221

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 331, 993, 2317, 2879, 3641, 6951, 8637, 10923, 20153, 25487, 31669, 60459, 76461, 95007, 221683, 665049, 952949, 2858847, 6670643, 10482439, 20011929, 31447317, 73377073, 220131219]

約数ペア:

[(1, 220131219), (3, 73377073), (7, 31447317), (11, 20011929), (21, 10482439), (33, 6670643), (77, 2858847), (231, 952949), (331, 665049), (993, 221683), (2317, 95007), (2879, 76461), (3641, 60459), (6951, 31669), (8637, 25487), (10923, 20153)]