15019965

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 28600320

約数和(自身を除く): 13580355

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 93, 97, 111, 135, 155, 185, 279, 291, 333, 465, 485, 555, 837, 873, 999, 1147, 1395, 1455, 1665, 2619, 3007, 3441, 3589, 4185, 4365, 4995, 5735, 9021, 10323, 10767, 13095, 15035, 17205, 17945, 27063, 30969, 32301, 45105, 51615, 53835, 81189, 96903, 111259, 135315, 154845, 161505, 333777, 405945, 484515, 556295, 1001331, 1668885, 3003993, 5006655, 15019965]

約数ペア:

[(1, 15019965), (3, 5006655), (5, 3003993), (9, 1668885), (15, 1001331), (27, 556295), (31, 484515), (37, 405945), (45, 333777), (93, 161505), (97, 154845), (111, 135315), (135, 111259), (155, 96903), (185, 81189), (279, 53835), (291, 51615), (333, 45105), (465, 32301), (485, 30969), (555, 27063), (837, 17945), (873, 17205), (999, 15035), (1147, 13095), (1395, 10767), (1455, 10323), (1665, 9021), (2619, 5735), (3007, 4995), (3441, 4365), (3589, 4185)]