27643125

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 48134592

約数和(自身を除く): 20491467

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 625, 641, 1725, 1875, 1923, 2875, 3205, 8625, 9615, 14375, 14743, 16025, 43125, 44229, 48075, 73715, 80125, 221145, 240375, 368575, 400625, 1105725, 1201875, 1842875, 5528625, 9214375, 27643125]

約数ペア:

[(1, 27643125), (3, 9214375), (5, 5528625), (15, 1842875), (23, 1201875), (25, 1105725), (69, 400625), (75, 368575), (115, 240375), (125, 221145), (345, 80125), (375, 73715), (575, 48075), (625, 44229), (641, 43125), (1725, 16025), (1875, 14743), (1923, 14375), (2875, 9615), (3205, 8625)]