388432947

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 634182912

約数和(自身を除く): 245749965

約数列:

[1, 3, 7, 21, 23, 49, 69, 131, 147, 161, 393, 483, 877, 917, 1127, 2631, 2751, 3013, 3381, 6139, 6419, 9039, 18417, 19257, 20171, 21091, 42973, 60513, 63273, 114887, 128919, 141197, 147637, 344661, 423591, 442911, 804209, 988379, 2412627, 2642401, 2965137, 5629463, 7927203, 16888389, 18496807, 55490421, 129477649, 388432947]

約数ペア:

[(1, 388432947), (3, 129477649), (7, 55490421), (21, 18496807), (23, 16888389), (49, 7927203), (69, 5629463), (131, 2965137), (147, 2642401), (161, 2412627), (393, 988379), (483, 804209), (877, 442911), (917, 423591), (1127, 344661), (2631, 147637), (2751, 141197), (3013, 128919), (3381, 114887), (6139, 63273), (6419, 60513), (9039, 42973), (18417, 21091), (19257, 20171)]