778837575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4663}}^1$

素因数の和:4824

約数の個数: 48

約数和(自身を含む): 1374126336

約数和(自身を除く): 595288761

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 131, 255, 393, 425, 655, 1275, 1965, 2227, 3275, 4663, 6681, 9825, 11135, 13989, 23315, 33405, 55675, 69945, 79271, 116575, 167025, 237813, 349725, 396355, 610853, 1189065, 1832559, 1981775, 3054265, 5945325, 9162795, 10384501, 15271325, 31153503, 45813975, 51922505, 155767515, 259612525, 778837575]

約数ペア:

[(1, 778837575), (3, 259612525), (5, 155767515), (15, 51922505), (17, 45813975), (25, 31153503), (51, 15271325), (75, 10384501), (85, 9162795), (131, 5945325), (255, 3054265), (393, 1981775), (425, 1832559), (655, 1189065), (1275, 610853), (1965, 396355), (2227, 349725), (3275, 237813), (4663, 167025), (6681, 116575), (9825, 79271), (11135, 69945), (13989, 55675), (23315, 33405)]