78279729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 118765440

約数和(自身を除く): 40485711

約数列:

[1, 3, 11, 29, 33, 87, 157, 319, 471, 521, 957, 1563, 1727, 4553, 5181, 5731, 13659, 15109, 17193, 45327, 50083, 81797, 150249, 166199, 245391, 498597, 899767, 2372113, 2699301, 7116339, 26093243, 78279729]

約数ペア:

[(1, 78279729), (3, 26093243), (11, 7116339), (29, 2699301), (33, 2372113), (87, 899767), (157, 498597), (319, 245391), (471, 166199), (521, 150249), (957, 81797), (1563, 50083), (1727, 45327), (4553, 17193), (5181, 15109), (5731, 13659)]