28289439

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{373}}^1$

素因数の和:488

約数の個数: 24

約数和(自身を含む): 42830480

約数和(自身を除く): 14541041

約数列:

[1, 3, 9, 27, 53, 159, 373, 477, 1119, 1431, 2809, 3357, 8427, 10071, 19769, 25281, 59307, 75843, 177921, 533763, 1047757, 3143271, 9429813, 28289439]

約数ペア:

[(1, 28289439), (3, 9429813), (9, 3143271), (27, 1047757), (53, 533763), (159, 177921), (373, 75843), (477, 59307), (1119, 25281), (1431, 19769), (2809, 10071), (3357, 8427)]