1947349719

素因数分解:

$3^2\times 7^2\times {\mathrm{1181}}^1\times {\mathrm{3739}}^1$

素因数の和:4940

約数の個数: 36

約数和(自身を含む): 3275723880

約数和(自身を除く): 1328374161

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1181, 3543, 3739, 8267, 10629, 11217, 24801, 26173, 33651, 57869, 74403, 78519, 173607, 183211, 235557, 520821, 549633, 1648899, 4415759, 13247277, 30910313, 39741831, 92730939, 216372191, 278192817, 649116573, 1947349719]

約数ペア:

[(1, 1947349719), (3, 649116573), (7, 278192817), (9, 216372191), (21, 92730939), (49, 39741831), (63, 30910313), (147, 13247277), (441, 4415759), (1181, 1648899), (3543, 549633), (3739, 520821), (8267, 235557), (10629, 183211), (11217, 173607), (24801, 78519), (26173, 74403), (33651, 57869)]