201986589

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5531}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 322891776

約数和(自身を除く): 120905187

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 5531, 12173, 16593, 36519, 38717, 116151, 204647, 259957, 613941, 779871, 1432529, 1819699, 4297587, 5459097, 9618409, 28855227, 67328863, 201986589]

約数ペア:

[(1, 201986589), (3, 67328863), (7, 28855227), (21, 9618409), (37, 5459097), (47, 4297587), (111, 1819699), (141, 1432529), (259, 779871), (329, 613941), (777, 259957), (987, 204647), (1739, 116151), (5217, 38717), (5531, 36519), (12173, 16593)]