78257175

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 135324672

約数和(自身を除く): 57067497

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 97, 155, 291, 347, 465, 485, 775, 1041, 1455, 1735, 2325, 2425, 3007, 5205, 7275, 8675, 9021, 10757, 15035, 26025, 32271, 33659, 45105, 53785, 75175, 100977, 161355, 168295, 225525, 268925, 504885, 806775, 841475, 1043429, 2524425, 3130287, 5217145, 15651435, 26085725, 78257175]

約数ペア:

[(1, 78257175), (3, 26085725), (5, 15651435), (15, 5217145), (25, 3130287), (31, 2524425), (75, 1043429), (93, 841475), (97, 806775), (155, 504885), (291, 268925), (347, 225525), (465, 168295), (485, 161355), (775, 100977), (1041, 75175), (1455, 53785), (1735, 45105), (2325, 33659), (2425, 32271), (3007, 26025), (5205, 15035), (7275, 10757), (8675, 9021)]