80401005

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2963}}^1$

素因数の和:3047

約数の個数: 40

約数和(自身を含む): 146326752

約数和(自身を除く): 65925747

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 1005, 1809, 2963, 3015, 5427, 8889, 9045, 14815, 26667, 27135, 44445, 80001, 133335, 198521, 240003, 400005, 595563, 992605, 1200015, 1786689, 2977815, 5360067, 8933445, 16080201, 26800335, 80401005]

約数ペア:

[(1, 80401005), (3, 26800335), (5, 16080201), (9, 8933445), (15, 5360067), (27, 2977815), (45, 1786689), (67, 1200015), (81, 992605), (135, 595563), (201, 400005), (335, 240003), (405, 198521), (603, 133335), (1005, 80001), (1809, 44445), (2963, 27135), (3015, 26667), (5427, 14815), (8889, 9045)]