28422495

素因数分解:

$3^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 51760800

約数和(自身を除く): 23338305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 157, 243, 405, 447, 471, 745, 785, 1215, 1341, 1413, 2235, 2355, 4023, 4239, 6705, 7065, 12069, 12717, 20115, 21195, 23393, 36207, 38151, 60345, 63585, 70179, 116965, 181035, 190755, 210537, 350895, 631611, 1052685, 1894833, 3158055, 5684499, 9474165, 28422495]

約数ペア:

[(1, 28422495), (3, 9474165), (5, 5684499), (9, 3158055), (15, 1894833), (27, 1052685), (45, 631611), (81, 350895), (135, 210537), (149, 190755), (157, 181035), (243, 116965), (405, 70179), (447, 63585), (471, 60345), (745, 38151), (785, 36207), (1215, 23393), (1341, 21195), (1413, 20115), (2235, 12717), (2355, 12069), (4023, 7065), (4239, 6705)]