211023351

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 396618768

約数和(自身を除く): 185595417

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 77, 99, 123, 147, 231, 287, 369, 441, 451, 539, 693, 861, 1061, 1353, 1617, 2009, 2583, 3157, 3183, 4059, 4851, 6027, 7427, 9471, 9549, 11671, 18081, 22099, 22281, 28413, 35013, 43501, 51989, 66297, 66843, 81697, 105039, 130503, 155967, 198891, 245091, 304507, 391509, 467901, 478511, 571879, 735273, 913521, 1435533, 1715637, 2131549, 2740563, 3349577, 4306599, 5146911, 6394647, 10048731, 19183941, 23447039, 30146193, 70341117, 211023351]

約数ペア:

[(1, 211023351), (3, 70341117), (7, 30146193), (9, 23447039), (11, 19183941), (21, 10048731), (33, 6394647), (41, 5146911), (49, 4306599), (63, 3349577), (77, 2740563), (99, 2131549), (123, 1715637), (147, 1435533), (231, 913521), (287, 735273), (369, 571879), (441, 478511), (451, 467901), (539, 391509), (693, 304507), (861, 245091), (1061, 198891), (1353, 155967), (1617, 130503), (2009, 105039), (2583, 81697), (3157, 66843), (3183, 66297), (4059, 51989), (4851, 43501), (6027, 35013), (7427, 28413), (9471, 22281), (9549, 22099), (11671, 18081)]