71971965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7237}}^1$

素因数の和:7278

約数の個数: 48

約数和(自身を含む): 142270128

約数和(自身を除く): 70298163

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 7237, 9945, 21711, 36185, 65133, 94081, 108555, 123029, 282243, 325665, 369087, 470405, 615145, 846729, 1107261, 1411215, 1599377, 1845435, 4233645, 4798131, 5536305, 7996885, 14394393, 23990655, 71971965]

約数ペア:

[(1, 71971965), (3, 23990655), (5, 14394393), (9, 7996885), (13, 5536305), (15, 4798131), (17, 4233645), (39, 1845435), (45, 1599377), (51, 1411215), (65, 1107261), (85, 846729), (117, 615145), (153, 470405), (195, 369087), (221, 325665), (255, 282243), (585, 123029), (663, 108555), (765, 94081), (1105, 65133), (1989, 36185), (3315, 21711), (7237, 9945)]