388630752471

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20890757}}^1$

素因数の和:20890832

約数の個数: 32

約数和(自身を含む): 631736521920

約数和(自身を除く): 243105769449

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 2067, 6201, 18603, 20890757, 62672271, 188016813, 271579841, 564050439, 814739523, 1107210121, 2444218569, 3321630363, 7332655707, 9964891089, 14393731573, 29894673267, 43181194719, 129543584157, 388630752471]

約数ペア:

[(1, 388630752471), (3, 129543584157), (9, 43181194719), (13, 29894673267), (27, 14393731573), (39, 9964891089), (53, 7332655707), (117, 3321630363), (159, 2444218569), (351, 1107210121), (477, 814739523), (689, 564050439), (1431, 271579841), (2067, 188016813), (6201, 62672271), (18603, 20890757)]