807975

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 72

約数和(自身を含む): 1805440

約数和(自身を除く): 997465

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 81, 95, 105, 133, 135, 171, 175, 189, 225, 243, 285, 315, 399, 405, 475, 513, 525, 567, 665, 675, 855, 945, 1197, 1215, 1425, 1539, 1575, 1701, 1995, 2025, 2565, 2835, 3325, 3591, 4275, 4617, 4725, 5985, 6075, 7695, 8505, 9975, 10773, 12825, 14175, 17955, 23085, 29925, 32319, 38475, 42525, 53865, 89775, 115425, 161595, 269325, 807975]

約数ペア:

[(1, 807975), (3, 269325), (5, 161595), (7, 115425), (9, 89775), (15, 53865), (19, 42525), (21, 38475), (25, 32319), (27, 29925), (35, 23085), (45, 17955), (57, 14175), (63, 12825), (75, 10773), (81, 9975), (95, 8505), (105, 7695), (133, 6075), (135, 5985), (171, 4725), (175, 4617), (189, 4275), (225, 3591), (243, 3325), (285, 2835), (315, 2565), (399, 2025), (405, 1995), (475, 1701), (513, 1575), (525, 1539), (567, 1425), (665, 1215), (675, 1197), (855, 945)]