40878321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 61378560

約数和(自身を除く): 20500239

約数列:

[1, 3, 11, 33, 71, 73, 213, 219, 239, 717, 781, 803, 2343, 2409, 2629, 5183, 7887, 15549, 16969, 17447, 50907, 52341, 57013, 171039, 186659, 191917, 559977, 575751, 1238737, 3716211, 13626107, 40878321]

約数ペア:

[(1, 40878321), (3, 13626107), (11, 3716211), (33, 1238737), (71, 575751), (73, 559977), (213, 191917), (219, 186659), (239, 171039), (717, 57013), (781, 52341), (803, 50907), (2343, 17447), (2409, 16969), (2629, 15549), (5183, 7887)]