73980735

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 46979265

約数列:

[1, 3, 5, 15, 79, 149, 237, 395, 419, 447, 745, 1185, 1257, 2095, 2235, 6285, 11771, 33101, 35313, 58855, 62431, 99303, 165505, 176565, 187293, 312155, 496515, 936465, 4932049, 14796147, 24660245, 73980735]

約数ペア:

[(1, 73980735), (3, 24660245), (5, 14796147), (15, 4932049), (79, 936465), (149, 496515), (237, 312155), (395, 187293), (419, 176565), (447, 165505), (745, 99303), (1185, 62431), (1257, 58855), (2095, 35313), (2235, 33101), (6285, 11771)]