64348215

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 104884416

約数和(自身を除く): 40536201

約数列:

[1, 3, 5, 15, 137, 173, 181, 411, 519, 543, 685, 865, 905, 2055, 2595, 2715, 23701, 24797, 31313, 71103, 74391, 93939, 118505, 123985, 156565, 355515, 371955, 469695, 4289881, 12869643, 21449405, 64348215]

約数ペア:

[(1, 64348215), (3, 21449405), (5, 12869643), (15, 4289881), (137, 469695), (173, 371955), (181, 355515), (411, 156565), (519, 123985), (543, 118505), (685, 93939), (865, 74391), (905, 71103), (2055, 31313), (2595, 24797), (2715, 23701)]