13515915

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 26265600

約数和(自身を除く): 12749685

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 71, 105, 111, 147, 185, 213, 245, 259, 343, 355, 497, 555, 735, 777, 1029, 1065, 1295, 1491, 1715, 1813, 2485, 2627, 3479, 3885, 5145, 5439, 7455, 7881, 9065, 10437, 12691, 13135, 17395, 18389, 24353, 27195, 38073, 39405, 52185, 55167, 63455, 73059, 91945, 121765, 128723, 190365, 275835, 365295, 386169, 643615, 901061, 1930845, 2703183, 4505305, 13515915]

約数ペア:

[(1, 13515915), (3, 4505305), (5, 2703183), (7, 1930845), (15, 901061), (21, 643615), (35, 386169), (37, 365295), (49, 275835), (71, 190365), (105, 128723), (111, 121765), (147, 91945), (185, 73059), (213, 63455), (245, 55167), (259, 52185), (343, 39405), (355, 38073), (497, 27195), (555, 24353), (735, 18389), (777, 17395), (1029, 13135), (1065, 12691), (1295, 10437), (1491, 9065), (1715, 7881), (1813, 7455), (2485, 5439), (2627, 5145), (3479, 3885)]