71485323

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 126508032

約数和(自身を除く): 55022709

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 73, 91, 119, 211, 219, 221, 273, 357, 511, 633, 663, 949, 1241, 1477, 1533, 1547, 2743, 2847, 3587, 3723, 4431, 4641, 6643, 8229, 8687, 10761, 15403, 16133, 19201, 19929, 25109, 26061, 46209, 46631, 48399, 57603, 75327, 107821, 112931, 139893, 200239, 261851, 323463, 326417, 338793, 600717, 785553, 979251, 1401673, 1832957, 3404063, 4205019, 5498871, 10212189, 23828441, 71485323]

約数ペア:

[(1, 71485323), (3, 23828441), (7, 10212189), (13, 5498871), (17, 4205019), (21, 3404063), (39, 1832957), (51, 1401673), (73, 979251), (91, 785553), (119, 600717), (211, 338793), (219, 326417), (221, 323463), (273, 261851), (357, 200239), (511, 139893), (633, 112931), (663, 107821), (949, 75327), (1241, 57603), (1477, 48399), (1533, 46631), (1547, 46209), (2743, 26061), (2847, 25109), (3587, 19929), (3723, 19201), (4431, 16133), (4641, 15403), (6643, 10761), (8229, 8687)]