27761999175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{81551}}^1$

素因数の和:81673

約数の個数: 72

約数和(自身を含む): 53242038720

約数和(自身を除く): 25480039545

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 89, 153, 225, 255, 267, 425, 445, 765, 801, 1275, 1335, 1513, 2225, 3825, 4005, 4539, 6675, 7565, 13617, 20025, 22695, 37825, 68085, 81551, 113475, 244653, 340425, 407755, 733959, 1223265, 1386367, 2038775, 3669795, 4159101, 6116325, 6931835, 7258039, 12477303, 18348975, 20795505, 21774117, 34659175, 36290195, 62386515, 65322351, 103977525, 108870585, 123386663, 181450975, 311932575, 326611755, 370159989, 544352925, 616933315, 1110479967, 1633058775, 1850799945, 3084666575, 5552399835, 9253999725, 27761999175]

約数ペア:

[(1, 27761999175), (3, 9253999725), (5, 5552399835), (9, 3084666575), (15, 1850799945), (17, 1633058775), (25, 1110479967), (45, 616933315), (51, 544352925), (75, 370159989), (85, 326611755), (89, 311932575), (153, 181450975), (225, 123386663), (255, 108870585), (267, 103977525), (425, 65322351), (445, 62386515), (765, 36290195), (801, 34659175), (1275, 21774117), (1335, 20795505), (1513, 18348975), (2225, 12477303), (3825, 7258039), (4005, 6931835), (4539, 6116325), (6675, 4159101), (7565, 3669795), (13617, 2038775), (20025, 1386367), (22695, 1223265), (37825, 733959), (68085, 407755), (81551, 340425), (113475, 244653)]