65661075

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 54

約数和(自身を含む): 122152524

約数和(自身を除く): 56491449

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 347, 435, 725, 841, 1041, 1305, 1735, 2175, 2523, 3123, 4205, 5205, 6525, 7569, 8675, 10063, 12615, 15615, 21025, 26025, 30189, 37845, 50315, 63075, 78075, 90567, 150945, 189225, 251575, 291827, 452835, 754725, 875481, 1459135, 2264175, 2626443, 4377405, 7295675, 13132215, 21887025, 65661075]

約数ペア:

[(1, 65661075), (3, 21887025), (5, 13132215), (9, 7295675), (15, 4377405), (25, 2626443), (29, 2264175), (45, 1459135), (75, 875481), (87, 754725), (145, 452835), (225, 291827), (261, 251575), (347, 189225), (435, 150945), (725, 90567), (841, 78075), (1041, 63075), (1305, 50315), (1735, 37845), (2175, 30189), (2523, 26025), (3123, 21025), (4205, 15615), (5205, 12615), (6525, 10063), (7569, 8675)]