1025111457

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{188891}}^1$

素因数の和:188970

約数の個数: 20

約数和(自身を含む): 1554203376

約数和(自身を除く): 529091919

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 188891, 566673, 1700019, 5100057, 12655697, 15300171, 37967091, 113901273, 341703819, 1025111457]

約数ペア:

[(1, 1025111457), (3, 341703819), (9, 113901273), (27, 37967091), (67, 15300171), (81, 12655697), (201, 5100057), (603, 1700019), (1809, 566673), (5427, 188891)]