28215165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 49508352

約数和(自身を除く): 21293187

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 271, 631, 813, 1355, 1893, 2981, 3155, 4065, 6941, 8943, 9465, 14905, 20823, 34705, 44715, 104115, 171001, 513003, 855005, 1881011, 2565015, 5643033, 9405055, 28215165]

約数ペア:

[(1, 28215165), (3, 9405055), (5, 5643033), (11, 2565015), (15, 1881011), (33, 855005), (55, 513003), (165, 171001), (271, 104115), (631, 44715), (813, 34705), (1355, 20823), (1893, 14905), (2981, 9465), (3155, 8943), (4065, 6941)]