198758682009

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{191689}}^1$

素因数の和:191972

約数の個数: 48

約数和(自身を含む): 316500125760

約数和(自身を除く): 117741443751

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 251, 459, 753, 1377, 2259, 4131, 4267, 6777, 12801, 20331, 38403, 60993, 115209, 191689, 345627, 575067, 1036881, 1725201, 3258713, 5175603, 9776139, 15526809, 29328417, 46580427, 48113939, 87985251, 144341817, 263955753, 433025451, 791867259, 817936963, 1299076353, 2453810889, 3897229059, 7361432667, 11691687177, 22084298001, 66252894003, 198758682009]

約数ペア:

[(1, 198758682009), (3, 66252894003), (9, 22084298001), (17, 11691687177), (27, 7361432667), (51, 3897229059), (81, 2453810889), (153, 1299076353), (243, 817936963), (251, 791867259), (459, 433025451), (753, 263955753), (1377, 144341817), (2259, 87985251), (4131, 48113939), (4267, 46580427), (6777, 29328417), (12801, 15526809), (20331, 9776139), (38403, 5175603), (60993, 3258713), (115209, 1725201), (191689, 1036881), (345627, 575067)]