28709565

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 20365635

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2129, 2697, 4495, 6387, 10645, 13485, 31935, 61741, 65999, 185223, 197997, 308705, 329995, 926115, 989985, 1913971, 5741913, 9569855, 28709565]

約数ペア:

[(1, 28709565), (3, 9569855), (5, 5741913), (15, 1913971), (29, 989985), (31, 926115), (87, 329995), (93, 308705), (145, 197997), (155, 185223), (435, 65999), (465, 61741), (899, 31935), (2129, 13485), (2697, 10645), (4495, 6387)]