27943905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 49121280

約数和(自身を除く): 21177375

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1039, 1793, 2445, 3117, 5195, 5379, 8965, 11429, 15585, 26895, 34287, 57145, 169357, 171435, 508071, 846785, 1862927, 2540355, 5588781, 9314635, 27943905]

約数ペア:

[(1, 27943905), (3, 9314635), (5, 5588781), (11, 2540355), (15, 1862927), (33, 846785), (55, 508071), (163, 171435), (165, 169357), (489, 57145), (815, 34287), (1039, 26895), (1793, 15585), (2445, 11429), (3117, 8965), (5195, 5379)]