13511205

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 24605592

約数和(自身を除く): 11094387

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 457, 657, 1095, 1371, 1971, 2285, 3285, 4113, 5913, 6855, 9855, 12339, 20565, 29565, 33361, 37017, 61695, 100083, 166805, 185085, 300249, 500415, 900747, 1501245, 2702241, 4503735, 13511205]

約数ペア:

[(1, 13511205), (3, 4503735), (5, 2702241), (9, 1501245), (15, 900747), (27, 500415), (45, 300249), (73, 185085), (81, 166805), (135, 100083), (219, 61695), (365, 37017), (405, 33361), (457, 29565), (657, 20565), (1095, 12339), (1371, 9855), (1971, 6855), (2285, 5913), (3285, 4113)]