28772883

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 42771456

約数和(自身を除く): 13998573

約数列:

[1, 3, 9, 47, 141, 251, 271, 423, 753, 813, 2259, 2439, 11797, 12737, 35391, 38211, 68021, 106173, 114633, 204063, 612189, 3196987, 9590961, 28772883]

約数ペア:

[(1, 28772883), (3, 9590961), (9, 3196987), (47, 612189), (141, 204063), (251, 114633), (271, 106173), (423, 68021), (753, 38211), (813, 35391), (2259, 12737), (2439, 11797)]