74681715

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 121651200

約数和(自身を除く): 46969485

約数列:

[1, 3, 5, 15, 127, 197, 199, 381, 591, 597, 635, 985, 995, 1905, 2955, 2985, 25019, 25273, 39203, 75057, 75819, 117609, 125095, 126365, 196015, 375285, 379095, 588045, 4978781, 14936343, 24893905, 74681715]

約数ペア:

[(1, 74681715), (3, 24893905), (5, 14936343), (15, 4978781), (127, 588045), (197, 379095), (199, 375285), (381, 196015), (591, 126365), (597, 125095), (635, 117609), (985, 75819), (995, 75057), (1905, 39203), (2955, 25273), (2985, 25019)]