289909191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 460632960

約数和(自身を除く): 170723769

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 227, 229, 429, 507, 681, 687, 1859, 2497, 2519, 2951, 2977, 5577, 7491, 7557, 8853, 8931, 32461, 32747, 38363, 38701, 51983, 97383, 98241, 115089, 116103, 155949, 421993, 425711, 571813, 675779, 1265979, 1277133, 1715439, 2027337, 7433569, 8785127, 22300707, 26355381, 96636397, 289909191]

約数ペア:

[(1, 289909191), (3, 96636397), (11, 26355381), (13, 22300707), (33, 8785127), (39, 7433569), (143, 2027337), (169, 1715439), (227, 1277133), (229, 1265979), (429, 675779), (507, 571813), (681, 425711), (687, 421993), (1859, 155949), (2497, 116103), (2519, 115089), (2951, 98241), (2977, 97383), (5577, 51983), (7491, 38701), (7557, 38363), (8853, 32747), (8931, 32461)]