1291214817

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{1103}}^1$

素因数の和:1530

約数の個数: 32

約数和(自身を含む): 1933148160

約数和(自身を除く): 641933343

約数列:

[1, 3, 9, 27, 191, 227, 573, 681, 1103, 1719, 2043, 3309, 5157, 6129, 9927, 29781, 43357, 130071, 210673, 250381, 390213, 632019, 751143, 1170639, 1896057, 2253429, 5688171, 6760287, 47822771, 143468313, 430404939, 1291214817]

約数ペア:

[(1, 1291214817), (3, 430404939), (9, 143468313), (27, 47822771), (191, 6760287), (227, 5688171), (573, 2253429), (681, 1896057), (1103, 1170639), (1719, 751143), (2043, 632019), (3309, 390213), (5157, 250381), (6129, 210673), (9927, 130071), (29781, 43357)]