64550925

素因数分解:

$3^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 60

約数和(自身を含む): 120992256

約数和(自身を除く): 56441331

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 127, 135, 225, 251, 381, 405, 635, 675, 753, 1143, 1255, 1905, 2025, 2259, 3175, 3429, 3765, 5715, 6275, 6777, 9525, 10287, 11295, 17145, 18825, 20331, 28575, 31877, 33885, 51435, 56475, 85725, 95631, 101655, 159385, 169425, 257175, 286893, 478155, 508275, 796925, 860679, 1434465, 2390775, 2582037, 4303395, 7172325, 12910185, 21516975, 64550925]

約数ペア:

[(1, 64550925), (3, 21516975), (5, 12910185), (9, 7172325), (15, 4303395), (25, 2582037), (27, 2390775), (45, 1434465), (75, 860679), (81, 796925), (127, 508275), (135, 478155), (225, 286893), (251, 257175), (381, 169425), (405, 159385), (635, 101655), (675, 95631), (753, 85725), (1143, 56475), (1255, 51435), (1905, 33885), (2025, 31877), (2259, 28575), (3175, 20331), (3429, 18825), (3765, 17145), (5715, 11295), (6275, 10287), (6777, 9525)]