20143215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 18633105

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 67, 85, 131, 135, 153, 201, 255, 335, 393, 459, 603, 655, 765, 1005, 1139, 1179, 1809, 1965, 2227, 2295, 3015, 3417, 3537, 5695, 5895, 6681, 8777, 9045, 10251, 11135, 17085, 17685, 20043, 26331, 30753, 33405, 43885, 51255, 60129, 78993, 100215, 131655, 149209, 153765, 236979, 300645, 394965, 447627, 746045, 1184895, 1342881, 2238135, 4028643, 6714405, 20143215]

約数ペア:

[(1, 20143215), (3, 6714405), (5, 4028643), (9, 2238135), (15, 1342881), (17, 1184895), (27, 746045), (45, 447627), (51, 394965), (67, 300645), (85, 236979), (131, 153765), (135, 149209), (153, 131655), (201, 100215), (255, 78993), (335, 60129), (393, 51255), (459, 43885), (603, 33405), (655, 30753), (765, 26331), (1005, 20043), (1139, 17685), (1179, 17085), (1809, 11135), (1965, 10251), (2227, 9045), (2295, 8777), (3015, 6681), (3417, 5895), (3537, 5695)]