87661725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 153799680

約数和(自身を除く): 66137955

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 227, 271, 285, 475, 681, 813, 1135, 1355, 1425, 3405, 4065, 4313, 5149, 5675, 6775, 12939, 15447, 17025, 20325, 21565, 25745, 61517, 64695, 77235, 107825, 128725, 184551, 307585, 323475, 386175, 922755, 1168823, 1537925, 3506469, 4613775, 5844115, 17532345, 29220575, 87661725]

約数ペア:

[(1, 87661725), (3, 29220575), (5, 17532345), (15, 5844115), (19, 4613775), (25, 3506469), (57, 1537925), (75, 1168823), (95, 922755), (227, 386175), (271, 323475), (285, 307585), (475, 184551), (681, 128725), (813, 107825), (1135, 77235), (1355, 64695), (1425, 61517), (3405, 25745), (4065, 21565), (4313, 20325), (5149, 17025), (5675, 15447), (6775, 12939)]