219673503

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 373741056

約数和(自身を除く): 154067553

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 201, 213, 469, 497, 603, 639, 733, 1407, 1491, 2199, 4221, 4473, 4757, 5131, 6597, 14271, 15393, 33299, 42813, 46179, 49111, 52043, 99897, 147333, 156129, 299691, 343777, 364301, 441999, 468387, 1031331, 1092903, 3093993, 3278709, 3486881, 10460643, 24408167, 31381929, 73224501, 219673503]

約数ペア:

[(1, 219673503), (3, 73224501), (7, 31381929), (9, 24408167), (21, 10460643), (63, 3486881), (67, 3278709), (71, 3093993), (201, 1092903), (213, 1031331), (469, 468387), (497, 441999), (603, 364301), (639, 343777), (733, 299691), (1407, 156129), (1491, 147333), (2199, 99897), (4221, 52043), (4473, 49111), (4757, 46179), (5131, 42813), (6597, 33299), (14271, 15393)]