239985405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1789}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 455719680

約数和(自身を除く): 215734275

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 271, 495, 813, 1355, 1789, 2439, 2981, 4065, 5367, 8943, 8945, 12195, 14905, 16101, 19679, 26829, 26835, 44715, 59037, 80505, 98395, 134145, 177111, 295185, 484819, 885555, 1454457, 2424095, 4363371, 5333009, 7272285, 15999027, 21816855, 26665045, 47997081, 79995135, 239985405]

約数ペア:

[(1, 239985405), (3, 79995135), (5, 47997081), (9, 26665045), (11, 21816855), (15, 15999027), (33, 7272285), (45, 5333009), (55, 4363371), (99, 2424095), (165, 1454457), (271, 885555), (495, 484819), (813, 295185), (1355, 177111), (1789, 134145), (2439, 98395), (2981, 80505), (4065, 59037), (5367, 44715), (8943, 26835), (8945, 26829), (12195, 19679), (14905, 16101)]