215086575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 396005904

約数和(自身を除く): 180919329

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 137, 165, 173, 275, 363, 411, 519, 605, 685, 825, 865, 1507, 1815, 1903, 2055, 2595, 3025, 3425, 4325, 4521, 5709, 7535, 9075, 9515, 10275, 12975, 16577, 20933, 22605, 23701, 28545, 37675, 47575, 49731, 62799, 71103, 82885, 104665, 113025, 118505, 142725, 248655, 260711, 313995, 355515, 414425, 523325, 592525, 782133, 1243275, 1303555, 1569975, 1777575, 2867821, 3910665, 6517775, 8603463, 14339105, 19553325, 43017315, 71695525, 215086575]

約数ペア:

[(1, 215086575), (3, 71695525), (5, 43017315), (11, 19553325), (15, 14339105), (25, 8603463), (33, 6517775), (55, 3910665), (75, 2867821), (121, 1777575), (137, 1569975), (165, 1303555), (173, 1243275), (275, 782133), (363, 592525), (411, 523325), (519, 414425), (605, 355515), (685, 313995), (825, 260711), (865, 248655), (1507, 142725), (1815, 118505), (1903, 113025), (2055, 104665), (2595, 82885), (3025, 71103), (3425, 62799), (4325, 49731), (4521, 47575), (5709, 37675), (7535, 28545), (9075, 23701), (9515, 22605), (10275, 20933), (12975, 16577)]