408099705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 748839168

約数和(自身を除く): 340739463

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 307, 401, 663, 921, 1105, 1203, 1535, 2005, 3315, 3991, 4605, 5213, 5219, 6015, 6817, 11973, 15639, 15657, 19955, 20451, 26065, 26095, 34085, 59865, 67847, 78195, 78285, 88621, 102255, 123107, 203541, 265863, 339235, 369321, 443105, 615535, 1017705, 1329315, 1600391, 1846605, 2092819, 4801173, 6278457, 8001955, 10464095, 24005865, 27206647, 31392285, 81619941, 136033235, 408099705]

約数ペア:

[(1, 408099705), (3, 136033235), (5, 81619941), (13, 31392285), (15, 27206647), (17, 24005865), (39, 10464095), (51, 8001955), (65, 6278457), (85, 4801173), (195, 2092819), (221, 1846605), (255, 1600391), (307, 1329315), (401, 1017705), (663, 615535), (921, 443105), (1105, 369321), (1203, 339235), (1535, 265863), (2005, 203541), (3315, 123107), (3991, 102255), (4605, 88621), (5213, 78285), (5219, 78195), (6015, 67847), (6817, 59865), (11973, 34085), (15639, 26095), (15657, 26065), (19955, 20451)]