64567989

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 107412480

約数和(自身を除く): 42844491

約数列:

[1, 3, 9, 17, 27, 41, 47, 51, 73, 123, 141, 153, 219, 369, 423, 459, 657, 697, 799, 1107, 1241, 1269, 1927, 1971, 2091, 2397, 2993, 3431, 3723, 5781, 6273, 7191, 8979, 10293, 11169, 17343, 18819, 21573, 26937, 30879, 32759, 33507, 50881, 52029, 58327, 80811, 92637, 98277, 140671, 152643, 174981, 294831, 422013, 457929, 524943, 884493, 1266039, 1373787, 1574829, 2391407, 3798117, 7174221, 21522663, 64567989]

約数ペア:

[(1, 64567989), (3, 21522663), (9, 7174221), (17, 3798117), (27, 2391407), (41, 1574829), (47, 1373787), (51, 1266039), (73, 884493), (123, 524943), (141, 457929), (153, 422013), (219, 294831), (369, 174981), (423, 152643), (459, 140671), (657, 98277), (697, 92637), (799, 80811), (1107, 58327), (1241, 52029), (1269, 50881), (1927, 33507), (1971, 32759), (2091, 30879), (2397, 26937), (2993, 21573), (3431, 18819), (3723, 17343), (5781, 11169), (6273, 10293), (7191, 8979)]