123215688

素因数分解:

$2^3\times 3^3\times {\mathrm{661}}^1\times {\mathrm{863}}^1$

素因数の和:1539

約数の個数: 64

約数和(自身を含む): 343180800

約数和(自身を除く): 219965112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 661, 863, 1322, 1726, 1983, 2589, 2644, 3452, 3966, 5178, 5288, 5949, 6904, 7767, 7932, 10356, 11898, 15534, 15864, 17847, 20712, 23301, 23796, 31068, 35694, 46602, 47592, 62136, 71388, 93204, 142776, 186408, 570443, 1140886, 1711329, 2281772, 3422658, 4563544, 5133987, 6845316, 10267974, 13690632, 15401961, 20535948, 30803922, 41071896, 61607844, 123215688]

約数ペア:

[(1, 123215688), (2, 61607844), (3, 41071896), (4, 30803922), (6, 20535948), (8, 15401961), (9, 13690632), (12, 10267974), (18, 6845316), (24, 5133987), (27, 4563544), (36, 3422658), (54, 2281772), (72, 1711329), (108, 1140886), (216, 570443), (661, 186408), (863, 142776), (1322, 93204), (1726, 71388), (1983, 62136), (2589, 47592), (2644, 46602), (3452, 35694), (3966, 31068), (5178, 23796), (5288, 23301), (5949, 20712), (6904, 17847), (7767, 15864), (7932, 15534), (10356, 11898)]