400653

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 32

約数和(自身を含む): 691200

約数和(自身を除く): 290547

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 71, 99, 171, 209, 213, 297, 513, 627, 639, 781, 1349, 1881, 1917, 2343, 4047, 5643, 7029, 12141, 14839, 21087, 36423, 44517, 133551, 400653]

約数ペア:

[(1, 400653), (3, 133551), (9, 44517), (11, 36423), (19, 21087), (27, 14839), (33, 12141), (57, 7029), (71, 5643), (99, 4047), (171, 2343), (209, 1917), (213, 1881), (297, 1349), (513, 781), (627, 639)]