291212132631

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^2\times {\mathrm{3929}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 468312633600

約数和(自身を除く): 177100500969

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 431, 1293, 3017, 3929, 8189, 9051, 11787, 24567, 27503, 57323, 74651, 82509, 171969, 185761, 223953, 522557, 557283, 1300327, 1567671, 1693399, 3529459, 3900981, 5080197, 10588377, 11853793, 24706213, 32174581, 35561379, 74118639, 96523743, 225222067, 675666201, 729854969, 2189564907, 5108984783, 13867244411, 15326954349, 41601733233, 97070710877, 291212132631]

約数ペア:

[(1, 291212132631), (3, 97070710877), (7, 41601733233), (19, 15326954349), (21, 13867244411), (57, 5108984783), (133, 2189564907), (399, 729854969), (431, 675666201), (1293, 225222067), (3017, 96523743), (3929, 74118639), (8189, 35561379), (9051, 32174581), (11787, 24706213), (24567, 11853793), (27503, 10588377), (57323, 5080197), (74651, 3900981), (82509, 3529459), (171969, 1693399), (185761, 1567671), (223953, 1300327), (522557, 557283)]