28297995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 23956725

約数列:

[1, 3, 5, 11, 15, 33, 41, 47, 55, 89, 123, 141, 165, 205, 235, 267, 445, 451, 517, 615, 705, 979, 1335, 1353, 1551, 1927, 2255, 2585, 2937, 3649, 4183, 4895, 5781, 6765, 7755, 9635, 10947, 12549, 14685, 18245, 20915, 21197, 28905, 40139, 46013, 54735, 62745, 63591, 105985, 120417, 138039, 171503, 200695, 230065, 317955, 514509, 602085, 690195, 857515, 1886533, 2572545, 5659599, 9432665, 28297995]

約数ペア:

[(1, 28297995), (3, 9432665), (5, 5659599), (11, 2572545), (15, 1886533), (33, 857515), (41, 690195), (47, 602085), (55, 514509), (89, 317955), (123, 230065), (141, 200695), (165, 171503), (205, 138039), (235, 120417), (267, 105985), (445, 63591), (451, 62745), (517, 54735), (615, 46013), (705, 40139), (979, 28905), (1335, 21197), (1353, 20915), (1551, 18245), (1927, 14685), (2255, 12549), (2585, 10947), (2937, 9635), (3649, 7755), (4183, 6765), (4895, 5781)]