16215855

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 10637265

約数列:

[1, 3, 5, 15, 59, 73, 177, 219, 251, 295, 365, 753, 885, 1095, 1255, 3765, 4307, 12921, 14809, 18323, 21535, 44427, 54969, 64605, 74045, 91615, 222135, 274845, 1081057, 3243171, 5405285, 16215855]

約数ペア:

[(1, 16215855), (3, 5405285), (5, 3243171), (15, 1081057), (59, 274845), (73, 222135), (177, 91615), (219, 74045), (251, 64605), (295, 54969), (365, 44427), (753, 21535), (885, 18323), (1095, 14809), (1255, 12921), (3765, 4307)]