27439989

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 40953600

約数和(自身を除く): 13513611

約数列:

[1, 3, 17, 23, 51, 69, 149, 157, 391, 447, 471, 1173, 2533, 2669, 3427, 3611, 7599, 8007, 10281, 10833, 23393, 58259, 61387, 70179, 174777, 184161, 397681, 538039, 1193043, 1614117, 9146663, 27439989]

約数ペア:

[(1, 27439989), (3, 9146663), (17, 1614117), (23, 1193043), (51, 538039), (69, 397681), (149, 184161), (157, 174777), (391, 70179), (447, 61387), (471, 58259), (1173, 23393), (2533, 10833), (2669, 10281), (3427, 8007), (3611, 7599)]