71687895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 127319040

約数和(自身を除く): 55631145

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 289, 345, 391, 719, 867, 1173, 1445, 1955, 2157, 3595, 4335, 5865, 6647, 10785, 12223, 16537, 19941, 33235, 36669, 49611, 61115, 82685, 99705, 183345, 207791, 248055, 281129, 623373, 843387, 1038955, 1405645, 3116865, 4216935, 4779193, 14337579, 23895965, 71687895]

約数ペア:

[(1, 71687895), (3, 23895965), (5, 14337579), (15, 4779193), (17, 4216935), (23, 3116865), (51, 1405645), (69, 1038955), (85, 843387), (115, 623373), (255, 281129), (289, 248055), (345, 207791), (391, 183345), (719, 99705), (867, 82685), (1173, 61115), (1445, 49611), (1955, 36669), (2157, 33235), (3595, 19941), (4335, 16537), (5865, 12223), (6647, 10785)]