77658975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 149722560

約数和(自身を除く): 72063585

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 79, 85, 153, 225, 237, 255, 257, 395, 425, 711, 765, 771, 1185, 1275, 1285, 1343, 1975, 2313, 3555, 3825, 3855, 4029, 4369, 5925, 6425, 6715, 11565, 12087, 13107, 17775, 19275, 20145, 20303, 21845, 33575, 39321, 57825, 60435, 60909, 65535, 100725, 101515, 109225, 182727, 196605, 302175, 304545, 327675, 345151, 507575, 913635, 983025, 1035453, 1522725, 1725755, 3106359, 4568175, 5177265, 8628775, 15531795, 25886325, 77658975]

約数ペア:

[(1, 77658975), (3, 25886325), (5, 15531795), (9, 8628775), (15, 5177265), (17, 4568175), (25, 3106359), (45, 1725755), (51, 1522725), (75, 1035453), (79, 983025), (85, 913635), (153, 507575), (225, 345151), (237, 327675), (255, 304545), (257, 302175), (395, 196605), (425, 182727), (711, 109225), (765, 101515), (771, 100725), (1185, 65535), (1275, 60909), (1285, 60435), (1343, 57825), (1975, 39321), (2313, 33575), (3555, 21845), (3825, 20303), (3855, 20145), (4029, 19275), (4369, 17775), (5925, 13107), (6425, 12087), (6715, 11565)]