28782789

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22469}}^1$

素因数の和:22540

約数の個数: 16

約数和(自身を含む): 44580480

約数和(自身を除く): 15797691

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22469, 67407, 157283, 471849, 1370609, 4111827, 9594263, 28782789]

約数ペア:

[(1, 28782789), (3, 9594263), (7, 4111827), (21, 1370609), (61, 471849), (183, 157283), (427, 67407), (1281, 22469)]