28141779

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 38109600

約数和(自身を除く): 9967821

約数列:

[1, 3, 149, 157, 401, 447, 471, 1203, 23393, 59749, 62957, 70179, 179247, 188871, 9380593, 28141779]

約数ペア:

[(1, 28141779), (3, 9380593), (149, 188871), (157, 179247), (401, 70179), (447, 62957), (471, 59749), (1203, 23393)]