286976925

素因数分解:

$3^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 539646016

約数和(自身を除く): 252669091

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 97, 135, 225, 243, 291, 405, 485, 487, 675, 873, 1215, 1455, 1461, 2025, 2425, 2435, 2619, 4365, 4383, 6075, 7275, 7305, 7857, 12175, 13095, 13149, 21825, 21915, 23571, 36525, 39285, 39447, 47239, 65475, 65745, 109575, 117855, 118341, 141717, 196425, 197235, 236195, 328725, 425151, 589275, 591705, 708585, 986175, 1180975, 1275453, 2125755, 2958525, 3542925, 3826359, 6377265, 10628775, 11479077, 19131795, 31886325, 57395385, 95658975, 286976925]

約数ペア:

[(1, 286976925), (3, 95658975), (5, 57395385), (9, 31886325), (15, 19131795), (25, 11479077), (27, 10628775), (45, 6377265), (75, 3826359), (81, 3542925), (97, 2958525), (135, 2125755), (225, 1275453), (243, 1180975), (291, 986175), (405, 708585), (485, 591705), (487, 589275), (675, 425151), (873, 328725), (1215, 236195), (1455, 197235), (1461, 196425), (2025, 141717), (2425, 118341), (2435, 117855), (2619, 109575), (4365, 65745), (4383, 65475), (6075, 47239), (7275, 39447), (7305, 39285), (7857, 36525), (12175, 23571), (13095, 21915), (13149, 21825)]