15671970225

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{20873}}^1$

素因数の和:21007

約数の個数: 72

約数和(自身を含む): 29072639232

約数和(自身を除く): 13400669007

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 71, 75, 141, 213, 225, 235, 355, 423, 639, 705, 1065, 1175, 1775, 2115, 3195, 3337, 3525, 5325, 10011, 10575, 15975, 16685, 20873, 30033, 50055, 62619, 83425, 104365, 150165, 187857, 250275, 313095, 521825, 750825, 939285, 981031, 1481983, 1565475, 2943093, 4445949, 4696425, 4905155, 7409915, 8829279, 13337847, 14715465, 22229745, 24525775, 37049575, 44146395, 66689235, 69653201, 73577325, 111148725, 208959603, 220731975, 333446175, 348266005, 626878809, 1044798015, 1741330025, 3134394045, 5223990075, 15671970225]

約数ペア:

[(1, 15671970225), (3, 5223990075), (5, 3134394045), (9, 1741330025), (15, 1044798015), (25, 626878809), (45, 348266005), (47, 333446175), (71, 220731975), (75, 208959603), (141, 111148725), (213, 73577325), (225, 69653201), (235, 66689235), (355, 44146395), (423, 37049575), (639, 24525775), (705, 22229745), (1065, 14715465), (1175, 13337847), (1775, 8829279), (2115, 7409915), (3195, 4905155), (3337, 4696425), (3525, 4445949), (5325, 2943093), (10011, 1565475), (10575, 1481983), (15975, 981031), (16685, 939285), (20873, 750825), (30033, 521825), (50055, 313095), (62619, 250275), (83425, 187857), (104365, 150165)]