7756641

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 12649824

約数和(自身を除く): 4893183

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 131, 153, 387, 393, 459, 731, 1161, 1179, 1377, 2193, 2227, 3483, 3537, 5633, 6579, 6681, 10611, 16899, 19737, 20043, 50697, 59211, 60129, 95761, 152091, 180387, 287283, 456273, 861849, 2585547, 7756641]

約数ペア:

[(1, 7756641), (3, 2585547), (9, 861849), (17, 456273), (27, 287283), (43, 180387), (51, 152091), (81, 95761), (129, 60129), (131, 59211), (153, 50697), (387, 20043), (393, 19737), (459, 16899), (731, 10611), (1161, 6681), (1179, 6579), (1377, 5633), (2193, 3537), (2227, 3483)]