31420125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 48

約数和(自身を含む): 61813440

約数和(自身を除く): 30393315

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 2475, 2539, 4125, 7617, 12375, 12695, 22851, 27929, 38085, 63475, 83787, 114255, 139645, 190425, 251361, 317375, 418935, 571275, 698225, 952125, 1256805, 2094675, 2856375, 3491125, 6284025, 10473375, 31420125]

約数ペア:

[(1, 31420125), (3, 10473375), (5, 6284025), (9, 3491125), (11, 2856375), (15, 2094675), (25, 1256805), (33, 952125), (45, 698225), (55, 571275), (75, 418935), (99, 317375), (125, 251361), (165, 190425), (225, 139645), (275, 114255), (375, 83787), (495, 63475), (825, 38085), (1125, 27929), (1375, 22851), (2475, 12695), (2539, 12375), (4125, 7617)]