21874995

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5272

約数の個数: 32

約数和(自身を含む): 40151040

約数和(自身を除く): 18276045

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 5227, 15681, 26135, 47043, 78405, 141129, 162037, 235215, 486111, 705645, 810185, 1458333, 2430555, 4374999, 7291665, 21874995]

約数ペア:

[(1, 21874995), (3, 7291665), (5, 4374999), (9, 2430555), (15, 1458333), (27, 810185), (31, 705645), (45, 486111), (93, 235215), (135, 162037), (155, 141129), (279, 78405), (465, 47043), (837, 26135), (1395, 15681), (4185, 5227)]