2052855

素因数分解:

$3^2\times 5^1\times 7^4\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 60

約数和(自身を含む): 4369560

約数和(自身を除く): 2316705

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 343, 399, 441, 665, 735, 855, 931, 1029, 1197, 1715, 1995, 2205, 2401, 2793, 3087, 4655, 5145, 5985, 6517, 7203, 8379, 12005, 13965, 15435, 19551, 21609, 32585, 36015, 41895, 45619, 58653, 97755, 108045, 136857, 228095, 293265, 410571, 684285, 2052855]

約数ペア:

[(1, 2052855), (3, 684285), (5, 410571), (7, 293265), (9, 228095), (15, 136857), (19, 108045), (21, 97755), (35, 58653), (45, 45619), (49, 41895), (57, 36015), (63, 32585), (95, 21609), (105, 19551), (133, 15435), (147, 13965), (171, 12005), (245, 8379), (285, 7203), (315, 6517), (343, 5985), (399, 5145), (441, 4655), (665, 3087), (735, 2793), (855, 2401), (931, 2205), (1029, 1995), (1197, 1715)]