638961075

素因数分解:

$3^3\times 5^2\times {\mathrm{467}}^1\times {\mathrm{2027}}^1$

素因数の和:2513

約数の個数: 48

約数和(自身を含む): 1176888960

約数和(自身を除く): 537927885

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 467, 675, 1401, 2027, 2335, 4203, 6081, 7005, 10135, 11675, 12609, 18243, 21015, 30405, 35025, 50675, 54729, 63045, 91215, 105075, 152025, 273645, 315225, 456075, 946609, 1368225, 2839827, 4733045, 8519481, 14199135, 23665225, 25558443, 42597405, 70995675, 127792215, 212987025, 638961075]

約数ペア:

[(1, 638961075), (3, 212987025), (5, 127792215), (9, 70995675), (15, 42597405), (25, 25558443), (27, 23665225), (45, 14199135), (75, 8519481), (135, 4733045), (225, 2839827), (467, 1368225), (675, 946609), (1401, 456075), (2027, 315225), (2335, 273645), (4203, 152025), (6081, 105075), (7005, 91215), (10135, 63045), (11675, 54729), (12609, 50675), (18243, 35025), (21015, 30405)]