1220161209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{1511}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 1772789760

約数和(自身を除く): 552628551

約数列:

[1, 3, 19, 31, 57, 93, 457, 589, 1371, 1511, 1767, 4533, 8683, 14167, 26049, 28709, 42501, 46841, 86127, 140523, 269173, 690527, 807519, 889979, 2071581, 2669937, 13120013, 21406337, 39360039, 64219011, 406720403, 1220161209]

約数ペア:

[(1, 1220161209), (3, 406720403), (19, 64219011), (31, 39360039), (57, 21406337), (93, 13120013), (457, 2669937), (589, 2071581), (1371, 889979), (1511, 807519), (1767, 690527), (4533, 269173), (8683, 140523), (14167, 86127), (26049, 46841), (28709, 42501)]