1398889725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{31667}}^1$

素因数の和:31730

約数の個数: 48

約数和(自身を含む): 2513172480

約数和(自身を除く): 1114282755

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 465, 475, 589, 775, 1425, 1767, 2325, 2945, 8835, 14725, 31667, 44175, 95001, 158335, 475005, 601673, 791675, 981677, 1805019, 2375025, 2945031, 3008365, 4908385, 9025095, 14725155, 15041825, 18651863, 24541925, 45125475, 55955589, 73625775, 93259315, 279777945, 466296575, 1398889725]

約数ペア:

[(1, 1398889725), (3, 466296575), (5, 279777945), (15, 93259315), (19, 73625775), (25, 55955589), (31, 45125475), (57, 24541925), (75, 18651863), (93, 15041825), (95, 14725155), (155, 9025095), (285, 4908385), (465, 3008365), (475, 2945031), (589, 2375025), (775, 1805019), (1425, 981677), (1767, 791675), (2325, 601673), (2945, 475005), (8835, 158335), (14725, 95001), (31667, 44175)]