81452943

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 145541760

約数和(自身を除く): 64088817

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1287, 1881, 2223, 2717, 3331, 8151, 9993, 24453, 29979, 36641, 43303, 63289, 109923, 129909, 189867, 329769, 389727, 476333, 569601, 696179, 822757, 1428999, 2088537, 2468271, 4286997, 6265611, 7404813, 9050327, 27150981, 81452943]

約数ペア:

[(1, 81452943), (3, 27150981), (9, 9050327), (11, 7404813), (13, 6265611), (19, 4286997), (33, 2468271), (39, 2088537), (57, 1428999), (99, 822757), (117, 696179), (143, 569601), (171, 476333), (209, 389727), (247, 329769), (429, 189867), (627, 129909), (741, 109923), (1287, 63289), (1881, 43303), (2223, 36641), (2717, 29979), (3331, 24453), (8151, 9993)]