30890775

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{983}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 51246720

約数和(自身を除く): 20355945

約数列:

[1, 3, 5, 15, 25, 75, 419, 983, 1257, 2095, 2949, 4915, 6285, 10475, 14745, 24575, 31425, 73725, 411877, 1235631, 2059385, 6178155, 10296925, 30890775]

約数ペア:

[(1, 30890775), (3, 10296925), (5, 6178155), (15, 2059385), (25, 1235631), (75, 411877), (419, 73725), (983, 31425), (1257, 24575), (2095, 14745), (2949, 10475), (4915, 6285)]