78813195

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 130927104

約数和(自身を除く): 52113909

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1721, 3053, 5163, 8605, 9159, 15265, 25815, 45795, 74003, 122191, 222009, 366573, 370015, 610955, 1110045, 1832865, 5254213, 15762639, 26271065, 78813195]

約数ペア:

[(1, 78813195), (3, 26271065), (5, 15762639), (15, 5254213), (43, 1832865), (71, 1110045), (129, 610955), (213, 370015), (215, 366573), (355, 222009), (645, 122191), (1065, 74003), (1721, 45795), (3053, 25815), (5163, 15265), (8605, 9159)]