78855615

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 145080000

約数和(自身を除く): 66224385

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 549, 915, 1035, 1249, 1403, 2745, 3747, 4209, 6245, 7015, 11241, 12627, 18735, 21045, 28727, 56205, 63135, 76189, 86181, 143635, 228567, 258543, 380945, 430905, 685701, 1142835, 1292715, 1752347, 3428505, 5257041, 8761735, 15771123, 26285205, 78855615]

約数ペア:

[(1, 78855615), (3, 26285205), (5, 15771123), (9, 8761735), (15, 5257041), (23, 3428505), (45, 1752347), (61, 1292715), (69, 1142835), (115, 685701), (183, 430905), (207, 380945), (305, 258543), (345, 228567), (549, 143635), (915, 86181), (1035, 76189), (1249, 63135), (1403, 56205), (2745, 28727), (3747, 21045), (4209, 18735), (6245, 12627), (7015, 11241)]