78816075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 141345120

約数和(自身を除く): 62529045

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 229, 325, 353, 687, 975, 1059, 1145, 1765, 2977, 3435, 4589, 5295, 5725, 8825, 8931, 13767, 14885, 17175, 22945, 26475, 44655, 68835, 74425, 80837, 114725, 223275, 242511, 344175, 404185, 1050881, 1212555, 2020925, 3152643, 5254405, 6062775, 15763215, 26272025, 78816075]

約数ペア:

[(1, 78816075), (3, 26272025), (5, 15763215), (13, 6062775), (15, 5254405), (25, 3152643), (39, 2020925), (65, 1212555), (75, 1050881), (195, 404185), (229, 344175), (325, 242511), (353, 223275), (687, 114725), (975, 80837), (1059, 74425), (1145, 68835), (1765, 44655), (2977, 26475), (3435, 22945), (4589, 17175), (5295, 14885), (5725, 13767), (8825, 8931)]