71511417

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 111234816

約数和(自身を除く): 39723399

約数列:

[1, 3, 9, 27, 37, 81, 107, 111, 223, 321, 333, 669, 963, 999, 2007, 2889, 2997, 3959, 6021, 8251, 8667, 11877, 18063, 23861, 24753, 35631, 71583, 74259, 106893, 214749, 222777, 320679, 644247, 668331, 882857, 1932741, 2648571, 7945713, 23837139, 71511417]

約数ペア:

[(1, 71511417), (3, 23837139), (9, 7945713), (27, 2648571), (37, 1932741), (81, 882857), (107, 668331), (111, 644247), (223, 320679), (321, 222777), (333, 214749), (669, 106893), (963, 74259), (999, 71583), (2007, 35631), (2889, 24753), (2997, 23861), (3959, 18063), (6021, 11877), (8251, 8667)]