15338757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 25292800

約数和(自身を除く): 9954043

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1039, 2109, 3117, 4921, 7273, 14763, 19741, 21819, 38443, 59223, 115329, 138187, 269101, 414561, 730417, 807303, 2191251, 5112919, 15338757]

約数ペア:

[(1, 15338757), (3, 5112919), (7, 2191251), (19, 807303), (21, 730417), (37, 414561), (57, 269101), (111, 138187), (133, 115329), (259, 59223), (399, 38443), (703, 21819), (777, 19741), (1039, 14763), (2109, 7273), (3117, 4921)]