1215691983

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{5309}}^1$

素因数の和:5589

約数の個数: 40

約数和(自身を含む): 1989210960

約数和(自身を除く): 773518977

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 257, 297, 771, 891, 2313, 2827, 5309, 6939, 8481, 15927, 20817, 25443, 47781, 58399, 76329, 143343, 175197, 228987, 430029, 525591, 1364413, 1576773, 4093239, 4730319, 12279717, 15008543, 36839151, 45025629, 110517453, 135076887, 405230661, 1215691983]

約数ペア:

[(1, 1215691983), (3, 405230661), (9, 135076887), (11, 110517453), (27, 45025629), (33, 36839151), (81, 15008543), (99, 12279717), (257, 4730319), (297, 4093239), (771, 1576773), (891, 1364413), (2313, 525591), (2827, 430029), (5309, 228987), (6939, 175197), (8481, 143343), (15927, 76329), (20817, 58399), (25443, 47781)]