188955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 393120

約数和(自身を除く): 204165

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 39, 45, 51, 57, 65, 85, 95, 117, 153, 171, 195, 221, 247, 255, 285, 323, 585, 663, 741, 765, 855, 969, 1105, 1235, 1615, 1989, 2223, 2907, 3315, 3705, 4199, 4845, 9945, 11115, 12597, 14535, 20995, 37791, 62985, 188955]

約数ペア:

[(1, 188955), (3, 62985), (5, 37791), (9, 20995), (13, 14535), (15, 12597), (17, 11115), (19, 9945), (39, 4845), (45, 4199), (51, 3705), (57, 3315), (65, 2907), (85, 2223), (95, 1989), (117, 1615), (153, 1235), (171, 1105), (195, 969), (221, 855), (247, 765), (255, 741), (285, 663), (323, 585)]