3890159

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 5056128

約数和(自身を除く): 1165969

約数列:

[1, 7, 13, 31, 49, 91, 197, 217, 403, 637, 1379, 1519, 2561, 2821, 6107, 9653, 17927, 19747, 42749, 79391, 125489, 299243, 555737, 3890159]

約数ペア:

[(1, 3890159), (7, 555737), (13, 299243), (31, 125489), (49, 79391), (91, 42749), (197, 19747), (217, 17927), (403, 9653), (637, 6107), (1379, 2821), (1519, 2561)]