280788795

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4871}}^1$

素因数の和:4953

約数の個数: 64

約数和(自身を含む): 579962880

約数和(自身を除く): 299174085

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 549, 915, 945, 1281, 1647, 2135, 2745, 3843, 4871, 6405, 8235, 11529, 14613, 19215, 24355, 34097, 43839, 57645, 73065, 102291, 131517, 170485, 219195, 297131, 306873, 511455, 657585, 891393, 920619, 1485655, 1534365, 2079917, 2674179, 4456965, 4603095, 6239751, 8022537, 10399585, 13370895, 18719253, 31198755, 40112685, 56157759, 93596265, 280788795]

約数ペア:

[(1, 280788795), (3, 93596265), (5, 56157759), (7, 40112685), (9, 31198755), (15, 18719253), (21, 13370895), (27, 10399585), (35, 8022537), (45, 6239751), (61, 4603095), (63, 4456965), (105, 2674179), (135, 2079917), (183, 1534365), (189, 1485655), (305, 920619), (315, 891393), (427, 657585), (549, 511455), (915, 306873), (945, 297131), (1281, 219195), (1647, 170485), (2135, 131517), (2745, 102291), (3843, 73065), (4871, 57645), (6405, 43839), (8235, 34097), (11529, 24355), (14613, 19215)]