72470055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9721}}^1$

素因数の和:9807

約数の個数: 32

約数和(自身を含む): 134396928

約数和(自身を除く): 61926873

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 9721, 29163, 48605, 68047, 145815, 204141, 340235, 690191, 1020705, 2070573, 3450955, 4831337, 10352865, 14494011, 24156685, 72470055]

約数ペア:

[(1, 72470055), (3, 24156685), (5, 14494011), (7, 10352865), (15, 4831337), (21, 3450955), (35, 2070573), (71, 1020705), (105, 690191), (213, 340235), (355, 204141), (497, 145815), (1065, 68047), (1491, 48605), (2485, 29163), (7455, 9721)]