28752705

素因数分解:

$3^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{571}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 51342720

約数和(自身を除く): 22590015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 373, 571, 1119, 1713, 1865, 2855, 3357, 5139, 5595, 8565, 10071, 15417, 16785, 25695, 50355, 77085, 212983, 638949, 1064915, 1916847, 3194745, 5750541, 9584235, 28752705]

約数ペア:

[(1, 28752705), (3, 9584235), (5, 5750541), (9, 3194745), (15, 1916847), (27, 1064915), (45, 638949), (135, 212983), (373, 77085), (571, 50355), (1119, 25695), (1713, 16785), (1865, 15417), (2855, 10071), (3357, 8565), (5139, 5595)]