205009845

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3163}}^1$

素因数の和:3349

約数の個数: 32

約数和(自身を含む): 341712000

約数和(自身を除く): 136702155

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 2235, 3163, 4321, 9489, 12963, 15815, 21605, 47445, 64815, 91727, 275181, 458635, 471287, 1375905, 1413861, 2356435, 7069305, 13667323, 41001969, 68336615, 205009845]

約数ペア:

[(1, 205009845), (3, 68336615), (5, 41001969), (15, 13667323), (29, 7069305), (87, 2356435), (145, 1413861), (149, 1375905), (435, 471287), (447, 458635), (745, 275181), (2235, 91727), (3163, 64815), (4321, 47445), (9489, 21605), (12963, 15815)]