28897803

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 20897397

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 243, 297, 513, 569, 627, 891, 1539, 1707, 1881, 2673, 4617, 5121, 5643, 6259, 10811, 15363, 16929, 18777, 32433, 46089, 50787, 56331, 97299, 118921, 138267, 168993, 291897, 356763, 506979, 875691, 1070289, 1520937, 2627073, 3210867, 9632601, 28897803]

約数ペア:

[(1, 28897803), (3, 9632601), (9, 3210867), (11, 2627073), (19, 1520937), (27, 1070289), (33, 875691), (57, 506979), (81, 356763), (99, 291897), (171, 168993), (209, 138267), (243, 118921), (297, 97299), (513, 56331), (569, 50787), (627, 46089), (891, 32433), (1539, 18777), (1707, 16929), (1881, 15363), (2673, 10811), (4617, 6259), (5121, 5643)]