278329226889

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4201}}^1\times {\mathrm{76949}}^1$

素因数の和:81201

約数の個数: 32

約数和(自身を含む): 434574201600

約数和(自身を除く): 156244974711

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 4201, 12603, 29407, 76949, 88221, 172241, 230847, 516723, 538643, 1205687, 1615929, 3154909, 3617061, 9464727, 22084363, 66253089, 323262749, 969788247, 2262839243, 6788517729, 13253772709, 39761318127, 92776408963, 278329226889]

約数ペア:

[(1, 278329226889), (3, 92776408963), (7, 39761318127), (21, 13253772709), (41, 6788517729), (123, 2262839243), (287, 969788247), (861, 323262749), (4201, 66253089), (12603, 22084363), (29407, 9464727), (76949, 3617061), (88221, 3154909), (172241, 1615929), (230847, 1205687), (516723, 538643)]