198805905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{11299}}^1$

素因数の和:11350

約数の個数: 48

約数和(自身を含む): 380764800

約数和(自身を除く): 181958895

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1955, 3519, 5865, 11299, 17595, 33897, 56495, 101691, 169485, 192083, 259877, 508455, 576249, 779631, 960415, 1299385, 1728747, 2338893, 2881245, 3898155, 4417909, 8643735, 11694465, 13253727, 22089545, 39761181, 66268635, 198805905]

約数ペア:

[(1, 198805905), (3, 66268635), (5, 39761181), (9, 22089545), (15, 13253727), (17, 11694465), (23, 8643735), (45, 4417909), (51, 3898155), (69, 2881245), (85, 2338893), (115, 1728747), (153, 1299385), (207, 960415), (255, 779631), (345, 576249), (391, 508455), (765, 259877), (1035, 192083), (1173, 169485), (1955, 101691), (3519, 56495), (5865, 33897), (11299, 17595)]