15655145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 6325015

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 211, 355, 781, 1045, 1055, 1349, 2321, 3905, 4009, 6745, 11605, 14839, 14981, 20045, 44099, 74195, 74905, 164791, 220495, 284639, 823955, 1423195, 3131029, 15655145]

約数ペア:

[(1, 15655145), (5, 3131029), (11, 1423195), (19, 823955), (55, 284639), (71, 220495), (95, 164791), (209, 74905), (211, 74195), (355, 44099), (781, 20045), (1045, 14981), (1055, 14839), (1349, 11605), (2321, 6745), (3905, 4009)]