201319155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78487}}^1$

素因数の和:78520

約数の個数: 32

約数和(自身を含む): 376742400

約数和(自身を除く): 175423245

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 78487, 235461, 392435, 706383, 1177305, 1491253, 2119149, 3531915, 4473759, 7456265, 10595745, 13421277, 22368795, 40263831, 67106385, 201319155]

約数ペア:

[(1, 201319155), (3, 67106385), (5, 40263831), (9, 22368795), (15, 13421277), (19, 10595745), (27, 7456265), (45, 4473759), (57, 3531915), (95, 2119149), (135, 1491253), (171, 1177305), (285, 706383), (513, 392435), (855, 235461), (2565, 78487)]