28871439

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 39298560

約数和(自身を除く): 10427121

約数列:

[1, 3, 67, 201, 239, 601, 717, 1803, 16013, 40267, 48039, 120801, 143639, 430917, 9623813, 28871439]

約数ペア:

[(1, 28871439), (3, 9623813), (67, 430917), (201, 143639), (239, 120801), (601, 48039), (717, 40267), (1803, 16013)]