855935997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1\times {\mathrm{2251}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 1374981120

約数和(自身を除く): 519045123

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 953, 2251, 2859, 6671, 6753, 15757, 18107, 20013, 42769, 47271, 54321, 126749, 128307, 299383, 380247, 898149, 2145203, 6435609, 15016421, 40758857, 45049263, 122276571, 285311999, 855935997]

約数ペア:

[(1, 855935997), (3, 285311999), (7, 122276571), (19, 45049263), (21, 40758857), (57, 15016421), (133, 6435609), (399, 2145203), (953, 898149), (2251, 380247), (2859, 299383), (6671, 128307), (6753, 126749), (15757, 54321), (18107, 47271), (20013, 42769)]