201987645

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 328053888

約数和(自身を除く): 126066243

約数列:

[1, 3, 5, 15, 107, 317, 321, 397, 535, 951, 1191, 1585, 1605, 1985, 4755, 5955, 33919, 42479, 101757, 125849, 127437, 169595, 212395, 377547, 508785, 629245, 637185, 1887735, 13465843, 40397529, 67329215, 201987645]

約数ペア:

[(1, 201987645), (3, 67329215), (5, 40397529), (15, 13465843), (107, 1887735), (317, 637185), (321, 629245), (397, 508785), (535, 377547), (951, 212395), (1191, 169595), (1585, 127437), (1605, 125849), (1985, 101757), (4755, 42479), (5955, 33919)]