65640375

素因数分解:

$3^5\times 5^3\times {\mathrm{2161}}^1$

素因数の和:2191

約数の個数: 48

約数和(自身を含む): 122767008

約数和(自身を除く): 57126633

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 1125, 1215, 2025, 2161, 3375, 6075, 6483, 10125, 10805, 19449, 30375, 32415, 54025, 58347, 97245, 162075, 175041, 270125, 291735, 486225, 525123, 810375, 875205, 1458675, 2431125, 2625615, 4376025, 7293375, 13128075, 21880125, 65640375]

約数ペア:

[(1, 65640375), (3, 21880125), (5, 13128075), (9, 7293375), (15, 4376025), (25, 2625615), (27, 2431125), (45, 1458675), (75, 875205), (81, 810375), (125, 525123), (135, 486225), (225, 291735), (243, 270125), (375, 175041), (405, 162075), (675, 97245), (1125, 58347), (1215, 54025), (2025, 32415), (2161, 30375), (3375, 19449), (6075, 10805), (6483, 10125)]