51246069

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 81199104

約数和(自身を除く): 29953035

約数列:

[1, 3, 7, 21, 31, 93, 217, 223, 353, 651, 669, 1059, 1561, 2471, 4683, 6913, 7413, 10943, 20739, 32829, 48391, 76601, 78719, 145173, 229803, 236157, 551033, 1653099, 2440289, 7320867, 17082023, 51246069]

約数ペア:

[(1, 51246069), (3, 17082023), (7, 7320867), (21, 2440289), (31, 1653099), (93, 551033), (217, 236157), (223, 229803), (353, 145173), (651, 78719), (669, 76601), (1059, 48391), (1561, 32829), (2471, 20739), (4683, 10943), (6913, 7413)]