217423965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{77513}}^1$

素因数の和:77549

約数の個数: 32

約数和(自身を含む): 401832576

約数和(自身を除く): 184408611

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 77513, 232539, 387565, 852643, 1162695, 1317721, 2557929, 3953163, 4263215, 6588605, 12789645, 14494931, 19765815, 43484793, 72474655, 217423965]

約数ペア:

[(1, 217423965), (3, 72474655), (5, 43484793), (11, 19765815), (15, 14494931), (17, 12789645), (33, 6588605), (51, 4263215), (55, 3953163), (85, 2557929), (165, 1317721), (187, 1162695), (255, 852643), (561, 387565), (935, 232539), (2805, 77513)]