388872705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{117307}}^1$

素因数の和:117345

約数の個数: 32

約数和(自身を含む): 709478784

約数和(自身を除く): 320606079

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 117307, 351921, 586535, 1524991, 1759605, 1994219, 4574973, 5982657, 7624955, 9971095, 22874865, 25924847, 29913285, 77774541, 129624235, 388872705]

約数ペア:

[(1, 388872705), (3, 129624235), (5, 77774541), (13, 29913285), (15, 25924847), (17, 22874865), (39, 9971095), (51, 7624955), (65, 5982657), (85, 4574973), (195, 1994219), (221, 1759605), (255, 1524991), (663, 586535), (1105, 351921), (3315, 117307)]