15842619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 26138112

約数和(自身を除く): 10295493

約数列:

[1, 3, 9, 13, 39, 43, 47, 67, 117, 129, 141, 201, 387, 423, 559, 603, 611, 871, 1677, 1833, 2021, 2613, 2881, 3149, 5031, 5499, 6063, 7839, 8643, 9447, 18189, 25929, 26273, 28341, 37453, 40937, 78819, 112359, 122811, 135407, 236457, 337077, 368433, 406221, 1218663, 1760291, 5280873, 15842619]

約数ペア:

[(1, 15842619), (3, 5280873), (9, 1760291), (13, 1218663), (39, 406221), (43, 368433), (47, 337077), (67, 236457), (117, 135407), (129, 122811), (141, 112359), (201, 78819), (387, 40937), (423, 37453), (559, 28341), (603, 26273), (611, 25929), (871, 18189), (1677, 9447), (1833, 8643), (2021, 7839), (2613, 6063), (2881, 5499), (3149, 5031)]