27872145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4657}}^1$

素因数の和:4694

約数の個数: 48

約数和(自身を含む): 58131840

約数和(自身を除く): 30259695

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4657, 5985, 13971, 23285, 32599, 41913, 69855, 88483, 97797, 162995, 209565, 265449, 293391, 442415, 488985, 619381, 796347, 1327245, 1466955, 1858143, 3096905, 3981735, 5574429, 9290715, 27872145]

約数ペア:

[(1, 27872145), (3, 9290715), (5, 5574429), (7, 3981735), (9, 3096905), (15, 1858143), (19, 1466955), (21, 1327245), (35, 796347), (45, 619381), (57, 488985), (63, 442415), (95, 293391), (105, 265449), (133, 209565), (171, 162995), (285, 97797), (315, 88483), (399, 69855), (665, 41913), (855, 32599), (1197, 23285), (1995, 13971), (4657, 5985)]