64701315

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{9781}}^1$

素因数の和:9809

約数の個数: 48

約数和(自身を含む): 133817760

約数和(自身を除く): 69116445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 9781, 29343, 48905, 68467, 88029, 146715, 205401, 264087, 342335, 440145, 479269, 616203, 1027005, 1320435, 1437807, 1848609, 2396345, 3081015, 4313421, 7189035, 9243045, 12940263, 21567105, 64701315]

約数ペア:

[(1, 64701315), (3, 21567105), (5, 12940263), (7, 9243045), (9, 7189035), (15, 4313421), (21, 3081015), (27, 2396345), (35, 1848609), (45, 1437807), (49, 1320435), (63, 1027005), (105, 616203), (135, 479269), (147, 440145), (189, 342335), (245, 264087), (315, 205401), (441, 146715), (735, 88029), (945, 68467), (1323, 48905), (2205, 29343), (6615, 9781)]