39909285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4013}}^1$

素因数の和:4054

約数の個数: 48

約数和(自身を含む): 78899184

約数和(自身を除く): 38989899

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 4013, 9945, 12039, 20065, 36117, 52169, 60195, 68221, 156507, 180585, 204663, 260845, 341105, 469521, 613989, 782535, 886873, 1023315, 2347605, 2660619, 3069945, 4434365, 7981857, 13303095, 39909285]

約数ペア:

[(1, 39909285), (3, 13303095), (5, 7981857), (9, 4434365), (13, 3069945), (15, 2660619), (17, 2347605), (39, 1023315), (45, 886873), (51, 782535), (65, 613989), (85, 469521), (117, 341105), (153, 260845), (195, 204663), (221, 180585), (255, 156507), (585, 68221), (663, 60195), (765, 52169), (1105, 36117), (1989, 20065), (3315, 12039), (4013, 9945)]