15721132581

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1\times {\mathrm{30949}}^1$

素因数の和:31706

約数の個数: 48

約数和(自身を含む): 28351190400

約数和(自身を除く): 12630057819

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 733, 2199, 5131, 6597, 8063, 15393, 24189, 30949, 46179, 56441, 72567, 92847, 169323, 216643, 278541, 340439, 507969, 649929, 1021317, 1949787, 2383073, 3063951, 7149219, 21447657, 22685617, 68056851, 158799319, 204170553, 249541787, 476397957, 748625361, 1429193871, 1746792509, 2245876083, 5240377527, 15721132581]

約数ペア:

[(1, 15721132581), (3, 5240377527), (7, 2245876083), (9, 1746792509), (11, 1429193871), (21, 748625361), (33, 476397957), (63, 249541787), (77, 204170553), (99, 158799319), (231, 68056851), (693, 22685617), (733, 21447657), (2199, 7149219), (5131, 3063951), (6597, 2383073), (8063, 1949787), (15393, 1021317), (24189, 649929), (30949, 507969), (46179, 340439), (56441, 278541), (72567, 216643), (92847, 169323)]