200719485

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 371036160

約数和(自身を除く): 170316675

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 71, 129, 135, 213, 215, 355, 387, 487, 639, 645, 1065, 1161, 1461, 1917, 1935, 2435, 3053, 3195, 4383, 5805, 7305, 9159, 9585, 13149, 15265, 20941, 21915, 27477, 34577, 45795, 62823, 65745, 82431, 103731, 104705, 137385, 172885, 188469, 311193, 314115, 412155, 518655, 565407, 933579, 942345, 1486811, 1555965, 2827035, 4460433, 4667895, 7434055, 13381299, 22302165, 40143897, 66906495, 200719485]

約数ペア:

[(1, 200719485), (3, 66906495), (5, 40143897), (9, 22302165), (15, 13381299), (27, 7434055), (43, 4667895), (45, 4460433), (71, 2827035), (129, 1555965), (135, 1486811), (213, 942345), (215, 933579), (355, 565407), (387, 518655), (487, 412155), (639, 314115), (645, 311193), (1065, 188469), (1161, 172885), (1461, 137385), (1917, 104705), (1935, 103731), (2435, 82431), (3053, 65745), (3195, 62823), (4383, 45795), (5805, 34577), (7305, 27477), (9159, 21915), (9585, 20941), (13149, 15265)]