201021315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 362299392

約数和(自身を除く): 161278077

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 127, 159, 165, 181, 265, 381, 543, 583, 635, 795, 905, 1397, 1749, 1905, 1991, 2715, 2915, 4191, 5973, 6731, 6985, 8745, 9593, 9955, 20193, 20955, 22987, 28779, 29865, 33655, 47965, 68961, 74041, 100965, 105523, 114935, 143895, 222123, 252857, 316569, 344805, 370205, 527615, 758571, 1110615, 1218311, 1264285, 1582845, 3654933, 3792855, 6091555, 13401421, 18274665, 40204263, 67007105, 201021315]

約数ペア:

[(1, 201021315), (3, 67007105), (5, 40204263), (11, 18274665), (15, 13401421), (33, 6091555), (53, 3792855), (55, 3654933), (127, 1582845), (159, 1264285), (165, 1218311), (181, 1110615), (265, 758571), (381, 527615), (543, 370205), (583, 344805), (635, 316569), (795, 252857), (905, 222123), (1397, 143895), (1749, 114935), (1905, 105523), (1991, 100965), (2715, 74041), (2915, 68961), (4191, 47965), (5973, 33655), (6731, 29865), (6985, 28779), (8745, 22987), (9593, 20955), (9955, 20193)]