689969259

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1606

約数の個数: 80

約数和(自身を含む): 1274600448

約数和(自身を除く): 584631189

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 51, 63, 81, 119, 141, 153, 189, 329, 357, 423, 459, 567, 799, 987, 1071, 1269, 1377, 1523, 2397, 2961, 3213, 3807, 4569, 5593, 7191, 8883, 9639, 10661, 13707, 16779, 21573, 25891, 26649, 31983, 41121, 50337, 64719, 71581, 77673, 95949, 123363, 151011, 181237, 214743, 233019, 287847, 453033, 501067, 543711, 644229, 699057, 863541, 1216877, 1503201, 1631133, 1932687, 2097171, 3650631, 4509603, 4893399, 5798061, 8518139, 10951893, 13528809, 14680197, 25554417, 32855679, 40586427, 76663251, 98567037, 229989753, 689969259]

約数ペア:

[(1, 689969259), (3, 229989753), (7, 98567037), (9, 76663251), (17, 40586427), (21, 32855679), (27, 25554417), (47, 14680197), (51, 13528809), (63, 10951893), (81, 8518139), (119, 5798061), (141, 4893399), (153, 4509603), (189, 3650631), (329, 2097171), (357, 1932687), (423, 1631133), (459, 1503201), (567, 1216877), (799, 863541), (987, 699057), (1071, 644229), (1269, 543711), (1377, 501067), (1523, 453033), (2397, 287847), (2961, 233019), (3213, 214743), (3807, 181237), (4569, 151011), (5593, 123363), (7191, 95949), (8883, 77673), (9639, 71581), (10661, 64719), (13707, 50337), (16779, 41121), (21573, 31983), (25891, 26649)]