128791395

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 229132800

約数和(自身を除く): 100341405

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 179, 271, 295, 531, 537, 813, 885, 895, 1355, 1611, 2439, 2655, 2685, 4065, 8055, 10561, 12195, 15989, 31683, 47967, 48509, 52805, 79945, 95049, 143901, 145527, 158415, 239835, 242545, 436581, 475245, 719505, 727635, 2182905, 2862031, 8586093, 14310155, 25758279, 42930465, 128791395]

約数ペア:

[(1, 128791395), (3, 42930465), (5, 25758279), (9, 14310155), (15, 8586093), (45, 2862031), (59, 2182905), (177, 727635), (179, 719505), (271, 475245), (295, 436581), (531, 242545), (537, 239835), (813, 158415), (885, 145527), (895, 143901), (1355, 95049), (1611, 79945), (2439, 52805), (2655, 48509), (2685, 47967), (4065, 31683), (8055, 15989), (10561, 12195)]