265220145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 521614080

約数和(自身を除く): 256393935

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 71, 85, 95, 153, 171, 213, 255, 257, 285, 323, 355, 639, 765, 771, 855, 969, 1065, 1207, 1285, 1349, 1615, 2313, 2907, 3195, 3621, 3855, 4047, 4369, 4845, 4883, 6035, 6745, 10863, 11565, 12141, 13107, 14535, 14649, 18105, 18247, 20235, 21845, 22933, 24415, 39321, 43947, 54315, 54741, 60705, 65535, 68799, 73245, 83011, 91235, 114665, 164223, 196605, 206397, 219735, 249033, 273705, 310199, 343995, 346693, 415055, 747099, 821115, 930597, 1031985, 1040079, 1245165, 1550995, 1733465, 2791791, 3120237, 3735495, 4652985, 5200395, 5893781, 13958955, 15601185, 17681343, 29468905, 53044029, 88406715, 265220145]

約数ペア:

[(1, 265220145), (3, 88406715), (5, 53044029), (9, 29468905), (15, 17681343), (17, 15601185), (19, 13958955), (45, 5893781), (51, 5200395), (57, 4652985), (71, 3735495), (85, 3120237), (95, 2791791), (153, 1733465), (171, 1550995), (213, 1245165), (255, 1040079), (257, 1031985), (285, 930597), (323, 821115), (355, 747099), (639, 415055), (765, 346693), (771, 343995), (855, 310199), (969, 273705), (1065, 249033), (1207, 219735), (1285, 206397), (1349, 196605), (1615, 164223), (2313, 114665), (2907, 91235), (3195, 83011), (3621, 73245), (3855, 68799), (4047, 65535), (4369, 60705), (4845, 54741), (4883, 54315), (6035, 43947), (6745, 39321), (10863, 24415), (11565, 22933), (12141, 21845), (13107, 20235), (14535, 18247), (14649, 18105)]