28494765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 54058368

約数和(自身を除く): 25563603

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 585, 603, 727, 871, 1005, 2181, 2613, 3015, 3635, 4355, 6543, 7839, 9451, 10905, 13065, 28353, 32715, 39195, 47255, 48709, 85059, 141765, 146127, 243545, 425295, 438381, 633217, 730635, 1899651, 2191905, 3166085, 5698953, 9498255, 28494765]

約数ペア:

[(1, 28494765), (3, 9498255), (5, 5698953), (9, 3166085), (13, 2191905), (15, 1899651), (39, 730635), (45, 633217), (65, 438381), (67, 425295), (117, 243545), (195, 146127), (201, 141765), (335, 85059), (585, 48709), (603, 47255), (727, 39195), (871, 32715), (1005, 28353), (2181, 13065), (2613, 10905), (3015, 9451), (3635, 7839), (4355, 6543)]