221497995

素因数分解:

$3^1\times 5^1\times {\mathrm{3797}}^1\times {\mathrm{3889}}^1$

素因数の和:7694

約数の個数: 16

約数和(自身を含む): 354581280

約数和(自身を除く): 133083285

約数列:

[1, 3, 5, 15, 3797, 3889, 11391, 11667, 18985, 19445, 56955, 58335, 14766533, 44299599, 73832665, 221497995]

約数ペア:

[(1, 221497995), (3, 73832665), (5, 44299599), (15, 14766533), (3797, 58335), (3889, 56955), (11391, 19445), (11667, 18985)]