201884895

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 358300800

約数和(自身を除く): 156415905

約数列:

[1, 3, 5, 9, 15, 45, 79, 109, 237, 327, 395, 521, 545, 711, 981, 1185, 1563, 1635, 2605, 3555, 4689, 4905, 7815, 8611, 23445, 25833, 41159, 43055, 56789, 77499, 123477, 129165, 170367, 205795, 283945, 370431, 387495, 511101, 617385, 851835, 1852155, 2555505, 4486331, 13458993, 22431655, 40376979, 67294965, 201884895]

約数ペア:

[(1, 201884895), (3, 67294965), (5, 40376979), (9, 22431655), (15, 13458993), (45, 4486331), (79, 2555505), (109, 1852155), (237, 851835), (327, 617385), (395, 511101), (521, 387495), (545, 370431), (711, 283945), (981, 205795), (1185, 170367), (1563, 129165), (1635, 123477), (2605, 77499), (3555, 56789), (4689, 43055), (4905, 41159), (7815, 25833), (8611, 23445)]