15209025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 28539840

約数和(自身を除く): 13330815

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 821, 975, 1235, 1425, 2463, 3705, 4105, 6175, 10673, 12315, 15599, 18525, 20525, 32019, 46797, 53365, 61575, 77995, 160095, 202787, 233985, 266825, 389975, 608361, 800475, 1013935, 1169925, 3041805, 5069675, 15209025]

約数ペア:

[(1, 15209025), (3, 5069675), (5, 3041805), (13, 1169925), (15, 1013935), (19, 800475), (25, 608361), (39, 389975), (57, 266825), (65, 233985), (75, 202787), (95, 160095), (195, 77995), (247, 61575), (285, 53365), (325, 46797), (475, 32019), (741, 20525), (821, 18525), (975, 15599), (1235, 12315), (1425, 10673), (2463, 6175), (3705, 4105)]