12965655

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 21648384

約数和(自身を除く): 8682729

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 235, 265, 347, 705, 795, 1041, 1735, 2491, 5205, 7473, 12455, 16309, 18391, 37365, 48927, 55173, 81545, 91955, 244635, 275865, 864377, 2593131, 4321885, 12965655]

約数ペア:

[(1, 12965655), (3, 4321885), (5, 2593131), (15, 864377), (47, 275865), (53, 244635), (141, 91955), (159, 81545), (235, 55173), (265, 48927), (347, 37365), (705, 18391), (795, 16309), (1041, 12455), (1735, 7473), (2491, 5205)]