42220515

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 70041600

約数和(自身を除く): 27821085

約数列:

[1, 3, 5, 15, 37, 111, 127, 185, 381, 555, 599, 635, 1797, 1905, 2995, 4699, 8985, 14097, 22163, 23495, 66489, 70485, 76073, 110815, 228219, 332445, 380365, 1141095, 2814701, 8444103, 14073505, 42220515]

約数ペア:

[(1, 42220515), (3, 14073505), (5, 8444103), (15, 2814701), (37, 1141095), (111, 380365), (127, 332445), (185, 228219), (381, 110815), (555, 76073), (599, 70485), (635, 66489), (1797, 23495), (1905, 22163), (2995, 14097), (4699, 8985)]