12123015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^2$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 20757672

約数和(自身を除く): 8634657

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 841, 899, 961, 2523, 2697, 2883, 4205, 4495, 4805, 12615, 13485, 14415, 26071, 27869, 78213, 83607, 130355, 139345, 391065, 418035, 808201, 2424603, 4041005, 12123015]

約数ペア:

[(1, 12123015), (3, 4041005), (5, 2424603), (15, 808201), (29, 418035), (31, 391065), (87, 139345), (93, 130355), (145, 83607), (155, 78213), (435, 27869), (465, 26071), (841, 14415), (899, 13485), (961, 12615), (2523, 4805), (2697, 4495), (2883, 4205)]