2021656815

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{4691}}^1$

素因数の和:4920

約数の個数: 48

約数和(自身を含む): 3585100896

約数和(自身を除く): 1563444081

約数列:

[1, 3, 5, 9, 15, 45, 61, 157, 183, 305, 471, 549, 785, 915, 1413, 2355, 2745, 4691, 7065, 9577, 14073, 23455, 28731, 42219, 47885, 70365, 86193, 143655, 211095, 286151, 430965, 736487, 858453, 1430755, 2209461, 2575359, 3682435, 4292265, 6628383, 11047305, 12876795, 33141915, 44925707, 134777121, 224628535, 404331363, 673885605, 2021656815]

約数ペア:

[(1, 2021656815), (3, 673885605), (5, 404331363), (9, 224628535), (15, 134777121), (45, 44925707), (61, 33141915), (157, 12876795), (183, 11047305), (305, 6628383), (471, 4292265), (549, 3682435), (785, 2575359), (915, 2209461), (1413, 1430755), (2355, 858453), (2745, 736487), (4691, 430965), (7065, 286151), (9577, 211095), (14073, 143655), (23455, 86193), (28731, 70365), (42219, 47885)]