1284398625

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 2180505600

約数和(自身を除く): 896106975

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 149, 181, 375, 381, 447, 543, 635, 745, 905, 1905, 2235, 2715, 3175, 3725, 4525, 9525, 11175, 13575, 15875, 18625, 18923, 22625, 22987, 26969, 47625, 55875, 56769, 67875, 68961, 80907, 94615, 114935, 134845, 283845, 344805, 404535, 473075, 574675, 674225, 1419225, 1724025, 2022675, 2365375, 2873375, 3371125, 3425063, 7096125, 8620125, 10113375, 10275189, 17125315, 51375945, 85626575, 256879725, 428132875, 1284398625]

約数ペア:

[(1, 1284398625), (3, 428132875), (5, 256879725), (15, 85626575), (25, 51375945), (75, 17125315), (125, 10275189), (127, 10113375), (149, 8620125), (181, 7096125), (375, 3425063), (381, 3371125), (447, 2873375), (543, 2365375), (635, 2022675), (745, 1724025), (905, 1419225), (1905, 674225), (2235, 574675), (2715, 473075), (3175, 404535), (3725, 344805), (4525, 283845), (9525, 134845), (11175, 114935), (13575, 94615), (15875, 80907), (18625, 68961), (18923, 67875), (22625, 56769), (22987, 55875), (26969, 47625)]