218295

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{11}}^1$

素因数の和:42

約数の個数: 60

約数和(自身を含む): 496584

約数和(自身を除く): 278289

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 81, 99, 105, 135, 147, 165, 189, 231, 245, 297, 315, 385, 405, 441, 495, 539, 567, 693, 735, 891, 945, 1155, 1323, 1485, 1617, 2079, 2205, 2695, 2835, 3465, 3969, 4455, 4851, 6237, 6615, 8085, 10395, 14553, 19845, 24255, 31185, 43659, 72765, 218295]

約数ペア:

[(1, 218295), (3, 72765), (5, 43659), (7, 31185), (9, 24255), (11, 19845), (15, 14553), (21, 10395), (27, 8085), (33, 6615), (35, 6237), (45, 4851), (49, 4455), (55, 3969), (63, 3465), (77, 2835), (81, 2695), (99, 2205), (105, 2079), (135, 1617), (147, 1485), (165, 1323), (189, 1155), (231, 945), (245, 891), (297, 735), (315, 693), (385, 567), (405, 539), (441, 495)]