199964895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1303}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 345257472

約数和(自身を除く): 145292577

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 787, 1303, 2361, 3909, 3935, 6515, 10231, 11805, 16939, 19545, 30693, 50817, 51155, 84695, 153465, 254085, 1025461, 3076383, 5127305, 13330993, 15381915, 39992979, 66654965, 199964895]

約数ペア:

[(1, 199964895), (3, 66654965), (5, 39992979), (13, 15381915), (15, 13330993), (39, 5127305), (65, 3076383), (195, 1025461), (787, 254085), (1303, 153465), (2361, 84695), (3909, 51155), (3935, 50817), (6515, 30693), (10231, 19545), (11805, 16939)]