28465785

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 51727104

約数和(自身を除く): 23261319

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 313, 387, 423, 645, 705, 939, 1565, 1935, 2021, 2115, 2817, 4695, 6063, 10105, 13459, 14085, 14711, 18189, 30315, 40377, 44133, 67295, 73555, 90945, 121131, 132399, 201885, 220665, 605655, 632573, 661995, 1897719, 3162865, 5693157, 9488595, 28465785]

約数ペア:

[(1, 28465785), (3, 9488595), (5, 5693157), (9, 3162865), (15, 1897719), (43, 661995), (45, 632573), (47, 605655), (129, 220665), (141, 201885), (215, 132399), (235, 121131), (313, 90945), (387, 73555), (423, 67295), (645, 44133), (705, 40377), (939, 30315), (1565, 18189), (1935, 14711), (2021, 14085), (2115, 13459), (2817, 10105), (4695, 6063)]