61321617

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 60

約数和(自身を含む): 108958080

約数和(自身を除く): 47636463

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 79, 81, 111, 189, 237, 259, 333, 553, 567, 711, 777, 999, 1369, 1659, 2133, 2331, 2923, 2997, 4107, 4977, 6399, 6993, 8769, 9583, 12321, 14931, 20461, 20979, 26307, 28749, 36963, 44793, 61383, 78921, 86247, 108151, 110889, 184149, 236763, 258741, 324453, 552447, 757057, 776223, 973359, 1657341, 2271171, 2920077, 6813513, 8760231, 20440539, 61321617]

約数ペア:

[(1, 61321617), (3, 20440539), (7, 8760231), (9, 6813513), (21, 2920077), (27, 2271171), (37, 1657341), (63, 973359), (79, 776223), (81, 757057), (111, 552447), (189, 324453), (237, 258741), (259, 236763), (333, 184149), (553, 110889), (567, 108151), (711, 86247), (777, 78921), (999, 61383), (1369, 44793), (1659, 36963), (2133, 28749), (2331, 26307), (2923, 20979), (2997, 20461), (4107, 14931), (4977, 12321), (6399, 9583), (6993, 8769)]