64895355

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1593

約数の個数: 72

約数和(自身を含む): 137826000

約数和(自身を除く): 72930645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1549, 1995, 2205, 2793, 4647, 4655, 5985, 7745, 8379, 10843, 13941, 13965, 23235, 29431, 32529, 41895, 54215, 69705, 75901, 88293, 97587, 147155, 162645, 206017, 227703, 264879, 379505, 441465, 487935, 618051, 683109, 1030085, 1138515, 1324395, 1442119, 1854153, 3090255, 3415545, 4326357, 7210595, 9270765, 12979071, 21631785, 64895355]

約数ペア:

[(1, 64895355), (3, 21631785), (5, 12979071), (7, 9270765), (9, 7210595), (15, 4326357), (19, 3415545), (21, 3090255), (35, 1854153), (45, 1442119), (49, 1324395), (57, 1138515), (63, 1030085), (95, 683109), (105, 618051), (133, 487935), (147, 441465), (171, 379505), (245, 264879), (285, 227703), (315, 206017), (399, 162645), (441, 147155), (665, 97587), (735, 88293), (855, 75901), (931, 69705), (1197, 54215), (1549, 41895), (1995, 32529), (2205, 29431), (2793, 23235), (4647, 13965), (4655, 13941), (5985, 10843), (7745, 8379)]