18157038825

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{16249}}^1$

素因数の和:16626

約数の個数: 48

約数和(自身を含む): 30756960000

約数和(自身を除く): 12599921175

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 317, 705, 951, 1175, 1585, 3525, 4755, 7925, 14899, 16249, 23775, 44697, 48747, 74495, 81245, 223485, 243735, 372475, 406225, 763703, 1117425, 1218675, 2291109, 3818515, 5150933, 11455545, 15452799, 19092575, 25754665, 57277725, 77263995, 128773325, 242093851, 386319975, 726281553, 1210469255, 3631407765, 6052346275, 18157038825]

約数ペア:

[(1, 18157038825), (3, 6052346275), (5, 3631407765), (15, 1210469255), (25, 726281553), (47, 386319975), (75, 242093851), (141, 128773325), (235, 77263995), (317, 57277725), (705, 25754665), (951, 19092575), (1175, 15452799), (1585, 11455545), (3525, 5150933), (4755, 3818515), (7925, 2291109), (14899, 1218675), (16249, 1117425), (23775, 763703), (44697, 406225), (48747, 372475), (74495, 243735), (81245, 223485)]