28409835

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 46303920

約数和(自身を除く): 17894085

約数列:

[1, 3, 5, 15, 61, 183, 305, 509, 915, 1527, 2545, 3721, 7635, 11163, 18605, 31049, 55815, 93147, 155245, 465735, 1893989, 5681967, 9469945, 28409835]

約数ペア:

[(1, 28409835), (3, 9469945), (5, 5681967), (15, 1893989), (61, 465735), (183, 155245), (305, 93147), (509, 55815), (915, 31049), (1527, 18605), (2545, 11163), (3721, 7635)]