128711505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 240807168

約数和(自身を除く): 112095663

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 195, 205, 221, 255, 533, 615, 663, 697, 947, 1105, 1599, 2091, 2665, 2841, 3315, 3485, 4735, 7995, 9061, 10455, 12311, 14205, 16099, 27183, 36933, 38827, 45305, 48297, 61555, 80495, 116481, 135915, 184665, 194135, 209287, 241485, 504751, 582405, 627861, 660059, 1046435, 1514253, 1980177, 2523755, 3139305, 3300295, 7571265, 8580767, 9900885, 25742301, 42903835, 128711505]

約数ペア:

[(1, 128711505), (3, 42903835), (5, 25742301), (13, 9900885), (15, 8580767), (17, 7571265), (39, 3300295), (41, 3139305), (51, 2523755), (65, 1980177), (85, 1514253), (123, 1046435), (195, 660059), (205, 627861), (221, 582405), (255, 504751), (533, 241485), (615, 209287), (663, 194135), (697, 184665), (947, 135915), (1105, 116481), (1599, 80495), (2091, 61555), (2665, 48297), (2841, 45305), (3315, 38827), (3485, 36933), (4735, 27183), (7995, 16099), (9061, 14205), (10455, 12311)]