15972741

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 26524800

約数和(自身を除く): 10552059

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 89, 153, 207, 267, 289, 391, 459, 621, 801, 867, 1173, 1513, 2047, 2403, 2601, 3519, 4539, 6141, 6647, 7803, 10557, 13617, 18423, 19941, 25721, 34799, 40851, 55269, 59823, 77163, 104397, 179469, 231489, 313191, 591583, 694467, 939573, 1774749, 5324247, 15972741]

約数ペア:

[(1, 15972741), (3, 5324247), (9, 1774749), (17, 939573), (23, 694467), (27, 591583), (51, 313191), (69, 231489), (89, 179469), (153, 104397), (207, 77163), (267, 59823), (289, 55269), (391, 40851), (459, 34799), (621, 25721), (801, 19941), (867, 18423), (1173, 13617), (1513, 10557), (2047, 7803), (2403, 6647), (2601, 6141), (3519, 4539)]