420329547

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{19387}}^1$

素因数の和:19480

約数の個数: 32

約数和(自身を含む): 688661760

約数和(自身を除く): 268332213

約数列:

[1, 3, 9, 11, 27, 33, 73, 99, 219, 297, 657, 803, 1971, 2409, 7227, 19387, 21681, 58161, 174483, 213257, 523449, 639771, 1415251, 1919313, 4245753, 5757939, 12737259, 15567761, 38211777, 46703283, 140109849, 420329547]

約数ペア:

[(1, 420329547), (3, 140109849), (9, 46703283), (11, 38211777), (27, 15567761), (33, 12737259), (73, 5757939), (99, 4245753), (219, 1919313), (297, 1415251), (657, 639771), (803, 523449), (1971, 213257), (2409, 174483), (7227, 58161), (19387, 21681)]