1997775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 3859128

約数和(自身を除く): 1861353

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 683, 975, 2049, 2925, 3415, 6147, 8879, 10245, 17075, 26637, 30735, 44395, 51225, 79911, 133185, 153675, 221975, 399555, 665925, 1997775]

約数ペア:

[(1, 1997775), (3, 665925), (5, 399555), (9, 221975), (13, 153675), (15, 133185), (25, 79911), (39, 51225), (45, 44395), (65, 30735), (75, 26637), (117, 17075), (195, 10245), (225, 8879), (325, 6147), (585, 3415), (683, 2925), (975, 2049)]