78726765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 142813440

約数和(自身を除く): 64086675

約数列:

[1, 3, 5, 13, 15, 39, 41, 43, 65, 123, 129, 195, 205, 215, 229, 533, 559, 615, 645, 687, 1145, 1599, 1677, 1763, 2665, 2795, 2977, 3435, 5289, 7995, 8385, 8815, 8931, 9389, 9847, 14885, 22919, 26445, 28167, 29541, 44655, 46945, 49235, 68757, 114595, 122057, 128011, 140835, 147705, 343785, 366171, 384033, 403727, 610285, 640055, 1211181, 1830855, 1920165, 2018635, 5248451, 6055905, 15745353, 26242255, 78726765]

約数ペア:

[(1, 78726765), (3, 26242255), (5, 15745353), (13, 6055905), (15, 5248451), (39, 2018635), (41, 1920165), (43, 1830855), (65, 1211181), (123, 640055), (129, 610285), (195, 403727), (205, 384033), (215, 366171), (229, 343785), (533, 147705), (559, 140835), (615, 128011), (645, 122057), (687, 114595), (1145, 68757), (1599, 49235), (1677, 46945), (1763, 44655), (2665, 29541), (2795, 28167), (2977, 26445), (3435, 22919), (5289, 14885), (7995, 9847), (8385, 9389), (8815, 8931)]