155121345

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 294243840

約数和(自身を除く): 139122495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 257, 263, 459, 765, 771, 789, 1285, 1315, 2295, 2313, 2367, 3855, 3945, 4369, 4471, 6939, 7101, 11565, 11835, 13107, 13413, 21845, 22355, 34695, 35505, 39321, 40239, 65535, 67065, 67591, 117963, 120717, 196605, 201195, 202773, 337955, 589815, 603585, 608319, 1013865, 1149047, 1824957, 3041595, 3447141, 5745235, 9124785, 10341423, 17235705, 31024269, 51707115, 155121345]

約数ペア:

[(1, 155121345), (3, 51707115), (5, 31024269), (9, 17235705), (15, 10341423), (17, 9124785), (27, 5745235), (45, 3447141), (51, 3041595), (85, 1824957), (135, 1149047), (153, 1013865), (255, 608319), (257, 603585), (263, 589815), (459, 337955), (765, 202773), (771, 201195), (789, 196605), (1285, 120717), (1315, 117963), (2295, 67591), (2313, 67065), (2367, 65535), (3855, 40239), (3945, 39321), (4369, 35505), (4471, 34695), (6939, 22355), (7101, 21845), (11565, 13413), (11835, 13107)]