198393687

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 304906680

約数和(自身を除く): 106512993

約数列:

[1, 3, 9, 19, 57, 171, 227, 269, 361, 681, 807, 1083, 2043, 2421, 3249, 4313, 5111, 12939, 15333, 38817, 45999, 61063, 81947, 97109, 183189, 245841, 291327, 549567, 737523, 873981, 1160197, 3480591, 10441773, 22043743, 66131229, 198393687]

約数ペア:

[(1, 198393687), (3, 66131229), (9, 22043743), (19, 10441773), (57, 3480591), (171, 1160197), (227, 873981), (269, 737523), (361, 549567), (681, 291327), (807, 245841), (1083, 183189), (2043, 97109), (2421, 81947), (3249, 61063), (4313, 45999), (5111, 38817), (12939, 15333)]