155969985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 276839424

約数和(自身を除く): 120869439

約数列:

[1, 3, 5, 15, 17, 37, 51, 61, 85, 111, 183, 185, 255, 271, 305, 555, 629, 813, 915, 1037, 1355, 1887, 2257, 3111, 3145, 4065, 4607, 5185, 6771, 9435, 10027, 11285, 13821, 15555, 16531, 23035, 30081, 33855, 38369, 49593, 50135, 69105, 82655, 115107, 150405, 170459, 191845, 247965, 281027, 511377, 575535, 611647, 843081, 852295, 1405135, 1834941, 2556885, 3058235, 4215405, 9174705, 10397999, 31193997, 51989995, 155969985]

約数ペア:

[(1, 155969985), (3, 51989995), (5, 31193997), (15, 10397999), (17, 9174705), (37, 4215405), (51, 3058235), (61, 2556885), (85, 1834941), (111, 1405135), (183, 852295), (185, 843081), (255, 611647), (271, 575535), (305, 511377), (555, 281027), (629, 247965), (813, 191845), (915, 170459), (1037, 150405), (1355, 115107), (1887, 82655), (2257, 69105), (3111, 50135), (3145, 49593), (4065, 38369), (4607, 33855), (5185, 30081), (6771, 23035), (9435, 16531), (10027, 15555), (11285, 13821)]