207923175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 415218960

約数和(自身を除く): 207295785

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 765, 855, 969, 1275, 1425, 1615, 2861, 2907, 3825, 4275, 4845, 8075, 8583, 14305, 14535, 24225, 25749, 42915, 48637, 54359, 71525, 72675, 128745, 145911, 163077, 214575, 243185, 271795, 437733, 489231, 643725, 729555, 815385, 924103, 1215925, 1358975, 2188665, 2446155, 2772309, 3647775, 4076925, 4620515, 8316927, 10943325, 12230775, 13861545, 23102575, 41584635, 69307725, 207923175]

約数ペア:

[(1, 207923175), (3, 69307725), (5, 41584635), (9, 23102575), (15, 13861545), (17, 12230775), (19, 10943325), (25, 8316927), (45, 4620515), (51, 4076925), (57, 3647775), (75, 2772309), (85, 2446155), (95, 2188665), (153, 1358975), (171, 1215925), (225, 924103), (255, 815385), (285, 729555), (323, 643725), (425, 489231), (475, 437733), (765, 271795), (855, 243185), (969, 214575), (1275, 163077), (1425, 145911), (1615, 128745), (2861, 72675), (2907, 71525), (3825, 54359), (4275, 48637), (4845, 42915), (8075, 25749), (8583, 24225), (14305, 14535)]