201975687

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 312284544

約数和(自身を除く): 110308857

約数列:

[1, 3, 9, 27, 43, 81, 103, 129, 309, 387, 563, 927, 1161, 1689, 2781, 3483, 4429, 5067, 8343, 13287, 15201, 24209, 39861, 45603, 57989, 72627, 119583, 173967, 217881, 358749, 521901, 653643, 1565703, 1960929, 2493527, 4697109, 7480581, 22441743, 67325229, 201975687]

約数ペア:

[(1, 201975687), (3, 67325229), (9, 22441743), (27, 7480581), (43, 4697109), (81, 2493527), (103, 1960929), (129, 1565703), (309, 653643), (387, 521901), (563, 358749), (927, 217881), (1161, 173967), (1689, 119583), (2781, 72627), (3483, 57989), (4429, 45603), (5067, 39861), (8343, 24209), (13287, 15201)]