31428375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 60203520

約数和(自身を除く): 28775145

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 125, 165, 209, 275, 285, 375, 401, 475, 627, 825, 1045, 1203, 1375, 1425, 2005, 2375, 3135, 4125, 4411, 5225, 6015, 7125, 7619, 10025, 13233, 15675, 22055, 22857, 26125, 30075, 38095, 50125, 66165, 78375, 83809, 110275, 114285, 150375, 190475, 251427, 330825, 419045, 551375, 571425, 952375, 1257135, 1654125, 2095225, 2857125, 6285675, 10476125, 31428375]

約数ペア:

[(1, 31428375), (3, 10476125), (5, 6285675), (11, 2857125), (15, 2095225), (19, 1654125), (25, 1257135), (33, 952375), (55, 571425), (57, 551375), (75, 419045), (95, 330825), (125, 251427), (165, 190475), (209, 150375), (275, 114285), (285, 110275), (375, 83809), (401, 78375), (475, 66165), (627, 50125), (825, 38095), (1045, 30075), (1203, 26125), (1375, 22857), (1425, 22055), (2005, 15675), (2375, 13233), (3135, 10025), (4125, 7619), (4411, 7125), (5225, 6015)]