28722945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 49358592

約数和(自身を除く): 20635647

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1095, 1241, 1543, 3723, 4629, 6205, 7715, 18615, 23145, 26231, 78693, 112639, 131155, 337917, 393465, 563195, 1689585, 1914863, 5744589, 9574315, 28722945]

約数ペア:

[(1, 28722945), (3, 9574315), (5, 5744589), (15, 1914863), (17, 1689585), (51, 563195), (73, 393465), (85, 337917), (219, 131155), (255, 112639), (365, 78693), (1095, 26231), (1241, 23145), (1543, 18615), (3723, 7715), (4629, 6205)]