251017647

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 351267840

約数和(自身を除く): 100250193

約数列:

[1, 3, 47, 83, 89, 141, 241, 249, 267, 723, 3901, 4183, 7387, 11327, 11703, 12549, 20003, 21449, 22161, 33981, 60009, 64347, 347189, 940141, 1008103, 1041567, 1780267, 2820423, 3024309, 5340801, 83672549, 251017647]

約数ペア:

[(1, 251017647), (3, 83672549), (47, 5340801), (83, 3024309), (89, 2820423), (141, 1780267), (241, 1041567), (249, 1008103), (267, 940141), (723, 347189), (3901, 64347), (4183, 60009), (7387, 33981), (11327, 22161), (11703, 21449), (12549, 20003)]